P(BA) is the conditional probability of event B given that event A has occurred approximately 0.04
P(BA), we need to know the individual probabilities of events A and B, as well as the probability of the intersection of events A and B.
P(B AND A) = 0.04
P(A) = 0.18
We can use the formula for the intersection of two events:
P(BA) = P(B AND A) = P(A) × P(B | A)
P(B | A) is the conditional probability of event B given that event A has occurred.
To calculate P(B | A), we can rearrange the formula as:
P(B | A) = P(B AND A) / P(A)
Putting in the given values:
P(B | A) = 0.04 / 0.18 ≈ 0.2222
Now we can calculate P(BA) using the formula:
P(BA) = P(A) × P(B | A)
= 0.18 × 0.2222
≈ 0.04
Therefore, P(BA) is approximately 0.04.
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D.1 Give an estimate for the total volume of food and water you've ingested in the last day, in milliliters. D.2 How many times larger is the amount of blood your heart has pumped in the last day than the amount of food and drink you took in? D.3 How much error do you expect in your answer to 4 b ? You should give an quantitative response to this, but not one generated by a formula. Instead, estimate the error by examining how closely you think you know the values you estimated for food intake and blood flow. You don't need to use advanced error propagation; an approximate response is fine. D.4 What is the relevance of this calculation to the theory that all the blood that flows through your veins is generated in the liver?
An estimate for the total volume of food and water you've ingested in the last day is 3000-5000 milliliters. On average, the heart pumps about 5 liters of blood per minute. 10-20% or more error I'm expecting. Calculating heart blood volume compared to food and drink consumption is crucial for understanding circulation and liver function.
D.1 Estimating the amount of food and water consumed in a day can be difficult without specific measurements, but a rough estimate can be made based on typical intake amounts. On average, a person may consume 2-3 liters of water and 1000-2000 calories per day, resulting in an estimated total volume of 3000-5000 milliliters.
D.2 The amount of blood pumped by the heart varies from person to person and depends on factors such as heart rate and overall health. On average, the heart pumps about 5 liters of blood per minute, which is much larger than the estimated volume of food and water intake.
D.3 Estimating food and water intake and blood flow is prone to error due to variability and uncertainties in personal measurements. Individuals' habits, health, and physical activity levels can affect these estimates, potentially resulting in a significant error of 10-20% or more.
D.4 The calculation of the heart's blood volume compared to food and drink consumption is crucial for understanding the circulation system and liver role.
The liver processes nutrients, detoxifies, and produces blood components, while the heart is responsible for circulating blood throughout the body. The vast difference in volume between the two is emphasized, emphasizing the heart's crucial role in maintaining circulation.
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One $100.00 bill, four $20.00 bills, six $10.00 bills, three $5.00 bills, and six $1.00 bills are placed in a bag. If a bill is
chosen at random, what is the expected value for the amount chosen?
Answer:
1
Step-by-step explanation:
There is more of those so it has a bigger chance of being chosen
The eccentricity of the conic section below is
A. Closer to 0 than 1
B. Closer to 1 then 0
The eccentricity of the conic section below is: A. closer to 0 than 1.
What is a conic section?In Euclidean geometry, a conic section can be defined as a curve that is generated as the intersection of the surface of a right circular cone with a plane.
In Mathematics, there are four (4) types of conic section and these include the following with their eccentricity:
Hyperbola: its eccentricity is greater than one (1).Parabola: its eccentricity is equal to one (1).Ellipse: its eccentricity is 0 < e < 1.Circle: its eccentricity is equal to zero (0).In this context, we can reasonably infer and logically deduce that the eccentricity of the conic section is closer to zero (0) than one (1) because it represents a circle.
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a person going to a party was asked to bring 3 different bags of chips. going to the store, she finds 15 varieties. how many different selections can she make?
If a person going to a party was asked to bring 3 different bags of chips. going to the store, she finds 15 varieties. there are 455 different selections that can she make.
A person going to a party was asked to bring 3 different bags of chips
On going to the store, she finds 15 varieties
Number of different selections can be found by using combination
nCr = n! / (r! x (n - r)!)
Where n denotes the number of choices available and r denotes the number of itmes to be choosen
Here n is 15 and r is 3
nCr = n! / (r! x (n - r)!)
¹⁵C₃ = 15! / (3! x (15 - 3)!)
¹⁵C₃ = 15! / (3! x12!)
¹⁵C₃ = 455
Therefore, if a person going to a party was asked to bring 3 different bags of chips. going to the store, she finds 15 varieties. there are 455 different selections that can she make.
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Express each of these statment using quantifires :
a) every student in this classes has taken exactly two mathematics classes at this school.
b) someone has visited every country in the world except Libya
Using quantifiers; a) ∀ student ∈ this class, ∃ exactly 2 mathematics classes ∈ this school that the student has taken and b) ∃ person, ∀ country ∈ the world (country ≠ Libya), the person has visited that country.
a) "Every student in this class has taken exactly two mathematics classes at this school."
In this statement, we have two main quantifiers:
Universal quantifier (∀): This quantifier denotes that we are making a statement about every individual student in the class. It indicates that the following condition applies to each and every student.
Existential quantifier (∃): This quantifier indicates the existence of something. In this case, it asserts that there exists exactly two mathematics classes at this school that each student has taken.
So, when we combine these quantifiers and their respective conditions, we get the statement: "For every student in this class, there exists exactly two mathematics classes at this school that the student has taken."
b) "Someone has visited every country in the world except Libya."
In this statement, we also have two main quantifiers:
Existential quantifier (∃): This quantifier signifies the existence of a person who satisfies a particular condition. It asserts that there is at least one person.
Universal quantifier (∀): This quantifier denotes that we are making a statement about every individual country in the world (excluding Libya). It indicates that the following condition applies to each and every country.
So, when we combine these quantifiers and their respective conditions, we get the statement: "There exists at least one person who has visited every country in the world (excluding Libya)."
In summary, quantifiers are used to express the scope of a statement and to indicate whether it applies to every element or if there is at least one element that satisfies the given condition.
Therefore, Using quantifiers; a) ∀ student ∈ this class, ∃ exactly 2 mathematics classes ∈ this school that the student has taken and b) ∃ person, ∀ country ∈ the world (country ≠ Libya), the person has visited that country.
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Rafael said 5 equals – 5. Is Rafael correct? Use the number line and words to support your answer.
Answer: Rafael is incorrect
Step-by-step explanation: 5 is not equal to -5. It is the additive inverse, or negative reciprocal.
Answer:
No he is not because 5=5 when talking about absolute value I think sorry I couldn't show the number line
Step-by-step explanation:
A new bank customer with $3,000 Wants to open a money market account.The bank is offering a simple interest rate of 1.1%.What will be the account balance after 20 years
Step-by-step explanation:
here's ..............the answers
3. In Ronaldo's first 3 soccer games, he scored the same amount of goals
(g). In his fourth game, Ronaldo scored 4 goals. If Ronaldo has a total of 10
goals altogether, how many goals (g) did he score in each of his first three
games? (Use g as your variable)
Answer: Ronaldo scored 6 goals in his first three soccer games
Step-by-step explanation: Ronaldo scored 6 goals in his first three soccer games because If he scored 4 goals in the fourth match then in the first 3 he would score 6 because 6 + 4 = 10 goals in total. Hope my answer was useful.
X+y=150/2
x+y=75 find the solution using cramers rule
Answer:
I didn’t know if I was solving for x or for y but I believe that the answer is x=75-y
Step-by-step explanation:
Solve by simplifying both sides of the equation, then isolating the variable.
simplify
6 ÷ 3 + 32 · 4 − 2
Answer:
128 <33
Step-by-step explanation:
6 ÷ 3 + 32 • 4 - 2 = 128
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David,Jenny and Dan went to the arcade on Wednesday. David spent $3.25 Jenny spent $2.25 more than Dan,who spent $1.75 less than David how much did the spend in all
Answer: I believe it is 3.75-
Step-by-step explanation:
David: 3.25
Jenny: 2.25 more than Dan
Dan: 1.75 less than David
3.25
- 1.75
_______
1.50
Dan spent 1.50
1.50
+ 2.25
3.25
_______
$7.00
The cost of two pants and four shirts is $55.85. If a pant costs $7.25 more than a shirt, find the cost of a pant and a shirt. Estimate to the nearest whole number.
Cost of a shirt is $6 and cost of a pant is $13
Cost of a shirt is $7 and cost of a pant is $14
Cost of a shirt is $8 and cost of a pant is $14
Cost of a shirt is $7 and cost of a pant is $13
Answer:
B
Step-by-step explanation:
55.85 divided by 7.25 is 7. something sooooo if pants cost 7 dolars more thats 14
The cost of a shirt is $7 and the cost of a pant is $14.
The answer is option B.
What is an example of a word problem?
Word problems normally include mathematical modeling questions, where records and information approximately a positive machine is given and a student is needed to expand a model. For example, Jane had $5.00, then spent $2.00. How much does she have now?
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Roderigo has just finished paying back his $8,575 unsubsidized Stafford loan, which he took out to fund his four-year degree. The loan had a duration of ten years and an interest rate of 7. 1%, compounded monthly. Roderigo will allow interest capitalization. If Roderigo made monthly payments to pay off his loan, how much interest did he pay in total? Round all dollar values to the nearest cent. A. $4,547. 02 b. $3,426. 20 c. $7,353. 80 d. $5,436. 20 Please select the best answer from the choices provided A B C D.
Roderigo will pay $7353.80 in interest.
Interest capitalization means the interest earned is added to the principle amount so first we will use compound interest formula.
What is the formula for compound interest?\(Amount=p(1+\frac{r}{n} )^{nt}\)
p = 8575
r = 7.1% or 0.071
n = 12
t = 4
Putting the values in formula we get
\(Amount=8575(1+\frac{0.071}{12} )^{12(4)}\)
\(Amount=8575(1+\frac{0.071}{12} )^{48}\)
Solving this we get;
Amount = $11381.94
For the next part we have EMI formula as,
\(EMI=\frac{pr(1+r)^{n} }{(1+r)^{n-1}}\)
p = 11381.94
\(r=\frac{7.1}{\frac{12}{100} }=0.005917\)
\(n=(12)(10)\\n=120\)
\(EMI=\frac{11381.94(0.005979)(1+0.005979)^{120} }{(1+0.005979)^{120}-1}\)
EMI = $132.74
Now total payments made in 120 months (10 years) =
\(132.74(120)=15928.80\) dollars
interest paid =
\(15928.80-8575=7353.80\) dollars
Hence, Roderigo will pay $7353.80
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A box is laid on its side and the white label wrapped around the box covers 30% of the lateral surface area of the box. Find the length x of the box.
Answer:
6
Step-by-step explanation:
I need an answer stat no guessing or be warned and....
Answer:
138 pieces
Step-by-step explanation:
You would expect 11.5 per oz because 184/16=11.5.
Then, you multiply 11.5 and 12.
138
look at the picture please
Answer:
c
Step-by-step explanation:
the top one goes inside the radical and the bottom one is the root
PLEASE HELP ME!!!!!!!!!!!!!!
Answer:
\(|-a| =a\)
Step-by-step explanation:
3 feet, 5 feets, 6 feets What is the area, in square feet, of the front side of the sign?
The area of triangle is 7.4833 ft².
What is Heron's Formula?Heron's formula used to calculate the areas of various triangles, including quadrilaterals and the equilateral, isosceles, and scalene triangles.
The Heron's Formula states that the area of a triangle is equal to √s(s-a)(s-b)(s-c), where s is the triangle's semi-perimeter and a, b, and c are its three side lengths.
s= (a+ b+ c)/2
Given:
sides: 3 feet, 5 feet and 6 feet.
semi- perimeter, s= 3+5+6/2 = 7
Now, Using Heron's Formula
= √s(s-a)(s-b)(s-c)
=√7(7-3)(7-5)(7-6)
=√7 x 4 x 2 x 1
=√56
= 7.4833 ft²
Hence, the area of triangle is 7.4833 ft².
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A telephone pole is secured with a cable as shown. The cable makes an angle of 80° with the ground and is secured 7 m from the bottom of the pole. A second cable is attached from the top of the pole and secured to the ground three times as far from the pole as the first cable and on the same side. Find the angle the second cable makes with the ground, rounded to the nearest degree. 80° 7 m
The angle the second cable makes with the ground is 68° (rounded to the nearest degree).
Given that:A telephone pole is secured with a cable as shown. The cable makes an angle of 80° with the ground and is secured 7 m from the bottom of the pole. A second cable is attached from the top of the pole and secured to the ground three times as far from the pole as the first cable and on the same side.The required:Find the angle the second cable makes with the ground, rounded to the nearest degree.Step-by-step explanation:Let AB be the telephone pole and P be the point at which the first cable is attached to the pole such that PB = 7m and angle APB = 80°Let QC be the second cable and Q be the point at which the second cable is attached to the ground, such that CQ = 3PB = 3 × 7 = 21mWe need to find the angle QCB (let this angle be x)AC = AB + BC = AB + CQAB = AC - BC = 21 sec 80° - 21 tan 80° = 197.239 - 9.3646 = 187.8745mNow in right ΔABCtan 80° = BC/ABBC = AB tan 80° = 187.8745 tan 80° = 46.1883mIn right ΔQCBtan x = BC/CQBC = CQ tan x = 21 tan x = 46.1883/21x = tan -1 (46.1883/21) = 68.2959°≈ 68°Hence, the angle the second cable makes with the ground is 68° (rounded to the nearest degree).
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the result of a hypothesis test is used to prevent a machine from under-filling or overfilling quart size bottles of olive oil. on the basis of sample, the hypothesis is rejected and the machine is shut down for inspection. a thorough examination reveals to engineers there is nothing wrong with the filling machine. from a statistical point of view:
From the statistical point of view , the type I error was made , the correct option is (c) .
In the question ,
it is given that ,
the machine was working well, but on the basis of our statistical hypothesis test, it was concluded that the machine was under-filling or over-filling and hence it was shut down .
but after examination by the engineers , there was nothing wrong with the filling machine .
that means that the null hypothesis was rejected when it was actually true .
which refers to the type I error .
Therefore , the correct option is (c) A Type I error was made.
The given question is incomplete , the complete question is
The result of a hypothesis test is used to prevent a machine from under-filling or overfilling quart size bottles of olive oil. on the basis of sample, the hypothesis is rejected and the machine is shut down for inspection. a thorough examination reveals to engineers there is nothing wrong with the filling machine. from a statistical point of view:
(a) correct decision was made.
(b) Both, a Type I and a Type II errors were made.
(c) A Type I error was made.
(d) A Type II error was made.
(e) None of these answers.
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42. Find the equation of the sphere with center C(−2,3,7) that is tangent to the plane 2x+3y−6z=5.
To find the equation of the sphere tangent to the plane 2x + 3y - 6z = 5 with center C(-2, 3, 7), we need to find the radius of the sphere. The equation of the sphere is (x + 2)^2 + (y - 3)^2 + (z - 7)^2 = 36.
The distance from the center of the sphere to the plane is equal to the radius. We can use the formula for the distance between a point (x, y, z) and a plane Ax + By + Cz + D = 0:
Distance = |Ax + By + Cz + D| / sqrt(A^2 + B^2 + C^2)
In this case, the plane equation is 2x + 3y - 6z - 5 = 0. Plugging in the coordinates of the center C(-2, 3, 7) into the formula, we have:
Distance = |2(-2) + 3(3) - 6(7) - 5| / sqrt(2^2 + 3^2 + (-6)^2)
= |-4 + 9 - 42 - 5| / sqrt(4 + 9 + 36)
= |-42| / sqrt(49)
= 42 / 7
= 6
So, the radius of the sphere is 6.
The equation of a sphere with center C(-2, 3, 7) and radius 6 is:
(x + 2)^2 + (y - 3)^2 + (z - 7)^2 = 6^2
Simplifying further, we have:
(x + 2)^2 + (y - 3)^2 + (z - 7)^2 = 36
Therefore, the equation of the sphere is (x + 2)^2 + (y - 3)^2 + (z - 7)^2 = 36.
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If C is the center of the above circle, H is the midpoint of EF, I is the midpoint of EG, and μ(FEG) = 48, what is μ(ABD)?
The measure of the angle ∠ABD will be 66°.
Given that:
Angle, ∠FEG = 48°
The central angle is double the angle at the periphery that was subtended by the same chords.
The line AC is perpendicular to EF and the line DC is perpendicular to EG. So, the equation is given as,
∠FEG + ∠HCI = 180°
48° + ∠HCI = 180°
∠HCI = 132°
By the above theorem, the equation is given as,
∠ABD = 1/2 ∠HCI
∠ABD = 1/2 x 132°
∠ABD = 66°
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f(x)= x^2
g(x)=(x−2)^2 −7
We can think of g as a translated (shifted) version of f.
Complete the description of the transformation.
Use nonnegative numbers.
To get the function g, shift f _____ by ____ units and to the _____ by ____ units.
To get the function g, shift f down by 7 units and to the right by 2 units.
How to determine the transformation of the functionsFrom the question, we have the following parameters that can be used in our computation:
The functions f(x) and g(x)
Where, we have
f(x) = x²
g(x) = (x - 2)² - 7
From the above equations, we can see that
The function f(x) is translated right by 2 units
The function f(x) is translated down by 7 units
This means that
To get the function g, shift f down by 7 units and to the right by 2 units.
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Below are the demand and supply equations for overhead projectors in a certain market. In these equations, p represents price, D represents demand, and S represents supply. S = three-fourths p minus 28 D = negative 2 p 131 What is S at the point of equilibrium, to the nearest whole number? a. 12 b. 15 c. 58 d. 67.
For the equilibrium, the value of supply and the value of demand will be equal. Then the value of price (p) is 58.
What is the linear system?A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.
The demand and supply equations for overhead projectors in a certain market.
In these equations, p represents price, D represents demand, and S represents supply.
\(\rm S = \dfrac{3}{4}p - 28 \\\\D = -2 p + 131\)
For the equilibrium, the value of supply and the value of demand will be equal. Then we have
\(\begin{aligned} \dfrac{3}{4}p - 28 &= -2 p + 131\\\\3p- 112 &= -8p + 524\\\\11p &= 636\\\\p &= 57.81818 \approx 58 \end{aligned}\)
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Answer: B. 15
Step-by-step explanation: edge 2022 i got it right
Solve for x. Round to the nearest tenth, if necessary.
So the answer is 1.3 after rounding to 10.
what is d33z + nutz?
there are a total of 20 coins when combining nickels ($0.05) and quarters ($0.25). the total amount is $2.20. how many are quarters?
The number of quarters is 16
A, B, C, D, E and F are points on a circle. put crosses on the ends of the line that is a diameter of the circle
9514 1404 393
Answer:
AD is the diameter
Step-by-step explanation:
Angles in a triangle have a sum of 180°, so inscribed angle B is 80° and inscribed angle E is 90°.
An inscribed angle subtends an arc that is twice its measure, so arcs ABD and AED are both 180°. That makes chord AD a diameter.
Points A and D need your cross markings. AD is a diameter of the circle.
Assume you are running gradient descent, what will happen when the learning rate α is too small or too large? If you run gradient descent for 30 iterations with a=0.5 and compute J(θ) after each iteration. You find that the value of J(θ) increases over time. Based on this, how do you adjust the value of α to solve the problem?
The learning rate in gradient descent determines the step size and should be not too small or too large, as it can cause the algorithm to converge slowly or overshoot the minimum; adjusting the value of the learning rate can fix the problem, but the optimal value depends on the problem and data set.
According to the given information:
When running gradient descent,
The learning rate α determines the step size taken in each iteration toward the optimal solution.
If α is too small, the algorithm will take small steps and will converge slowly, or may even get stuck in a local minimum.
If α is too large, the algorithm may overshoot the minimum and diverge, or bounce back and forth without converging.
In the scenario described, the learning rate α of 0.5 appears too large, causing J(θ) to increase over time.
This suggests that the algorithm is not converging and is overshooting the minimum.
To fix this,
The value of α can be adjusted by reducing it to a smaller value,
Such as 0.1 or 0.01.
This should allow the algorithm to take smaller steps towards the minimum and eventually converge to a lower value of J(θ).
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18% of all students in a school play baseball, 32% of all students play soccer. The probability that a student plays baseball given that the student plays soccer is 22%. Calculate the probability that a student plays either baseball or soccer.
The probability that a student plays either baseball or soccer is 0.4296 (or 42.96%).This is the long answer.
Percentage of students that play baseball = 18%Percentage of students that play soccer = 32%Probability of a student playing baseball given that the student plays soccer = 22%We need to find the probability that a student plays either baseball or soccer (or both).Let the probability of a student playing baseball be P(B)Let the probability of a student playing soccer be P(S)Using the formula of conditional probability:P(B|S) = P(B ∩ S) / P(S)Where P(B ∩ S) is the probability that a student plays both baseball and soccerP(B ∩ S) = P(B) + P(S) - P(B ∪ S) (Using the formula of probability of the union of two events)Where P(B ∪ S) is the probability that a student plays either baseball or soccer or bothP(B ∪ S) = P(B) + P(S) - P(B ∩ S)Now substituting the values in the formula:P(B|S) = P(B ∩ S) / P(S) => 0.22 = P(B) + P(S) - P(B ∪ S) / 0.32
Now we need to calculate the probability that a student plays either baseball or soccer or both. Using the formula of probability of the union of two events. P(B ∪ S) = P(B) + P(S) - P(B ∩ S)We know :P(B) = 0.18P(S) = 0.32We need to calculate P(B ∩ S) which can be calculated as follows :P(B|S) = P(B ∩ S) / P(S)0.22 = P(B ∩ S) / 0.32 => P(B ∩ S) = 0.22 x 0.32 = 0.0704Now substituting the values in the formula :P(B ∪ S) = P(B) + P(S) - P(B ∩ S)P(B ∪ S) = 0.18 + 0.32 - 0.0704 = 0.4296
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