a) The probability that exactly five men will still be alive in 20 years is approximately 0.024.
b) The probability that more than eight men will still be alive in 20 years is approximately 0.057.
c) The probability that at least two men will still be alive in 20 years is approximately 0.999.
To calculate the probabilities, we can use the binomial distribution formula, where n is the number of trials, p is the probability of success, and x is the number of successes. Therefore,
a) P(X = 5) = (10 choose 5) * (0.69)⁵ * (0.31)⁵ ≈ 0.024
b) P(X > 8) = P(X = 9) + P(X = 10) = [(10 choose 9) * (0.69)⁹ * (0.31)¹] + [(10 choose 10) * (0.69)¹⁰ * (0.31)⁰] ≈ 0.057
c) P(X ≥ 2) = 1 - P(X = 0) - P(X = 1) = 1 - [(10 choose 0) * (0.69)⁰ * (0.31)¹⁰] - [(10 choose 1) * (0.69)¹ * (0.31)⁹] ≈ 0.999
In summary, we have used the binomial distribution formula to calculate the probability that exactly five men, more than eight men, and at least two men will still be alive in 20 years, given that the probability that a man of this particular age will be alive in 20 years is 0.69.
Learn more about probability
https://brainly.com/question/24756209
#SPJ4
Sean has $250 in his bank account. He deposits $35 from his birthday and then
buys clothes for school for $75. How much is in his account now?
Answer:
210 dollars left
Step-by-step explanation:
Answer:
he has 210 dollars left
Step-by-step explanation:
250+35=285
285-75=210
y = 3; Evaluate this expression: 4y - 12 = ?
Given:
\(y\text{ = 3}\)We are required to evaluate the expression:
\(4y\text{ - 12}\)To do this, we simply substitute 3 for y into the expression and simplify
\(\begin{gathered} =\text{ 4\lparen3\rparen - 12} \\ =\text{ 12 - 12} \\ =\text{ 0} \end{gathered}\)Hence, the expression evaluates to 0
Answer: 0
mia identified a point located at (-5,-8) her directions told her to flip it across the y axis and then across the x axis. mia wrote that the point would now be at (8,5) what was mia's error in her thinking? where would the point be actually located
Mia's error in her thinking was that she interchanged the coordinate of both the x- and y-axis. Also, the point would actually be located at (5, 8).
What is a reflection across the x-axis?In Mathematics, a reflection across the x-axis would maintain the same x-coordinate while the sign of the y-coordinate would change from positive to negative. Therefore, a reflection across the x-axis is given by this transformation rule:
(x, y) → (x, -y)
In Geometry, a reflection across the y-axis of a graph is given by this transformation rule (x, y) → (-x, y).
(x, y) → (-x, y)
(-5, -8) → (5, -8)
Next, we would apply another reflection across the x-axis of a graph as follows:
(x, y) → (x, -y)
(5, -8) → (5, 8)
In conclusion, we can logically deduce that Mia was wrong in her calculations.
Read more on reflection here: brainly.com/question/10260342
#SPJ1
14. A baby weighed 7 lb 3 oz at birth. Four months later, the baby
weighed 13 lb 5 oz. Find the percent of increase in the baby's
weight. Round to the nearest tenth
Answer:
I'm an island boii ️️
SOMEONE PLEASE HELP ME
Answer:
27
Step-by-step explanation:
math
What is the value of the product (3-2i)(3+2i)?
Answer:
13
Step-by-step explanation:
Solve for the missing side.
4)
12 mi
X
15 mi
If the parallel sides of a trapezium are 2 cm apart and their sum is 10 cm then find its area.
Answer:
\( {10cm}^{2} \)Step-by-step explanation:
Given,
Sum of parallel sides of the trapezium = 10 cm
Distance between or Height of the trapezium = 2 cm
As we know,
Area of a trapezium
\( = \frac{1}{2} \times (sum \: of \: parallel \: sides) \times height\)
Therefore,
Area of the given trapezium will be,
\( = \frac{1}{2} \times 10 \: cm \times 2 \: cm\)
(On Simplification )= 1 × 10 cm × 1 cm
(On multiplying)\( = 10 {cm}^{2} \)
Hence,
The Area of the trapezium is 10 sq.cm (Ans)
Given :
The parallel sides of a trapezium are 2 cm apart and their sum is 10 cm.To Find :
Its area.Solution :
We know that,
\({ \qquad \: \pmb{ \dfrac{1}{2} \times (sum \: of \: the \: parallel \: sides) \times height} = \pmb{Area_{(trapezium)}}}\)
Now, Substituting the given values in the formula :
\(\qquad { \dashrightarrow \: { \sf{ \dfrac{1}{2} \times 10\: \times 2 \: = {Area_{(trapezium)}}}}}\)
\(\qquad { \dashrightarrow \: { \sf{ \dfrac{1}{2} \times 20 = {Area_{(trapezium)}}}}}\)
\(\qquad { \dashrightarrow \: { \sf{ \dfrac{20}{2} = {Area_{(trapezium)}}}}}\)
\(\qquad { \dashrightarrow \: { \sf{ 10 = {Area_{(trapezium)}}}}}\)
⠀
Hence,
The area of the trapezium = 10 cm² .May I please receive help?
Answer:
\(\frac{50}{12}\pi\)
Step-by-step explanation:
To find the length of an arc, we need to find the circumference of the circle and multiply it by the degree given over 360 degrees (it might sound confusing but the equation isn't):
\(arc=2\pi r(\frac{x}{360})\)
(suppose that x is the given angle and 360 is in degrees)
Substitute the known values:
\(arc=2\pi (5) (\frac{150}{360}) \\=10(\frac{15}{36}) \pi \\=\frac{50}{12} \pi\)
And finally, don't forget to put the unit!
Keisha buys 2 pens at the store. Each pen costs $2. Which graph shows the coordinates of the point that represents the number of pens that Keisha buys and the total cost? PLES IM DOING A TEST RN
The coordinate of the point that represents the number of pens that Keisha buys and the total cost is (2, 4)
How to determine the graph shows the coordinates of the point that represents the number of pens that Keisha buys and the total cost?The given parameters are
Number of pen = 2
Unit price = $2
This means that the total amount spent is
Total amount = Number of pen * Unit price
Evaluate the product
Total amount = 2 * 2
Evaluate the product
Total amount = 4
So, the coordinate of the point that represents the number of pens that Keisha buys and the total cost is (2, 4)
Read more about coordinate at:
https://brainly.com/question/17206319
#SPJ1
The queen of hearts, queen of diamonds, queen of spades, and queen of clubs are taken out of a deck of cards. They are to be put in 3 places on a table. In how many different ways can they be placed in the 3 spots?
24
8
96
12
Answer:
24
Step-by-step explanation:
help me please , for 20 points
Answer:
A
Step-by-step explanation:
First off we can see that there are 46 pencils - and 7 students - so we can divide the two
46/7 is not a whole number, so we need to find a number that can be multiplied by 7, and is right below 46.
If you multiply 7 by 6, you get 42, which is the highest you can get with multiply by 7, which is also below 46.
Now that we know that each student gets 6 pencils, we need to find out how many are left.
We can do 46 (total pencils) minus 42 (pencils given) to get a leftover of 4 pencils, so the answer is A.
How do you solve a two step inequality on a number line?
Solving the inequalities is similar to solving equations.
Isolate the variable be doing basic operations on both sides and check the solution.
e.g.
5x + 9 < 4
subtracting 9 from both sides:
5x + 9 - 9 < 4 -9
5x < -5
dividing by 5 on both sides:
x < -1
Here , -1 is excluded,
So at number line draw open circle at -1,
then using below table we find solution on number line:
When graphing an inequality , you need to determine if the value that was solved for is in the solution set or not and which way to shade. If the sign is < or >, the value is not in the solution set and has an open circle to indicate that.
If the sign is <= or >=, the value is included and will have a closed, or filled in, circle. See the table for guidelines.
Learn more about two step inequality:
https://brainly.com/question/21323681
#SPJ4
What is the most common error when entering a formula is to reference the wrong cell in the formula?
The most common error when entering a formula is to reference the wrong cell in the formula.
This error occurs when the cell references within a formula do not match the intended cells. It can lead to incorrect calculations and produce unexpected results. For example, if a formula is supposed to use data from cell A1 but mistakenly refers to cell B1, the calculation will be based on the wrong data. It is important to double-check and ensure that the cell references in a formula accurately reflect the intended data sources to avoid this common mistake.
Know more about cell references here:
https://brainly.com/question/31171096
#SPJ11
A. Encuentra el valor del tercer ángulo en un triángulo que tiene dos ángulos que miden 112º Y 52º B. Encuentra el valor del cuarto ángulo en un cuadrilátero que tiene los siguientes ángulos: 105º, 32º Y 10º
Answer:
El tercer ángulo en un triángulo será 16 ° si los otros dos ángulos son 112º y 52º.
El cuarto ángulo en un cuadrilátero será 213 ° si los otros tres ángulos son 105º, 32º y 10º.
Step-by-step explanation:
Spanish
La suma de los ángulos de un triángulo siempre es igual a 180 grados. Si conocemos dos de ellos, podemos encontrar el tercero. Dejemos que el tercero se denote por x entonces
112 ° + 52 ° + x = 180 °
x = 180 ° -112 ° -52 °
x = 16 °
El tercer ángulo en un triángulo será 16 ° si los otros dos ángulos son 112º y 52º.
La suma de los ángulos de un cuadrilátero siempre es igual a 360 grados. Si conocemos tres de ellos, podemos encontrar el cuarto. Dejemos que el cuarto se denote por y luego
105º + 32º + 10º + y = 360 °
o
y = 360 ° -105º- 32º- 10º
y = 213 °
El cuarto ángulo en un cuadrilátero será 213 ° si los otros tres ángulos son 105º, 32º y 10º.
English
The sum of angles in a triangle is always equal to 180 degrees. If we know any two of them we can find the third one. Let the third one be denoted by x then
112°+52°+x= 180°
x= 180°-112°-52°
x= 16°
The third angle in a triangle will be 16° if the other two angles are 112º and 52º.
The sum of angles in a quadrilateral is always equal to 360 degrees. If we know any three of them we can find the fourth one. Let the fourth one be denoted by y then
105º+ 32º+ 10º+y= 360°
or
y = 360°-105º- 32º- 10º
y= 213°
The fourth angle in a quadrilateral will be 213° if the other three angles are 105º, 32º and 10º.
A factory uses 3/8 of a barrel of pecans in each batch of cookies. Yesterday, the factory used 3/4 of a barrel of pecans. How many batches of cookies did the factory make yesterday
Answer:
3/4
Step-by-step explanation:
1 batch of cookies is equal to 0.375. 3/4 a barrel of cookies is equal to 0.75. 0.75/0.375 is equal to 2. So 3/4 a barrel is 2 batches of cookies.
Juan cruz quiere repartir 32 chocolates 40 caramelos y 24 chupetines en bolsitas para regalar todas las bolsitas deben tener la misma cantidad, que cuenta tengo que hacer?
According to the given statement the greatest common divisor of 32, 40, and 24 is 8.
To distribute an equal amount of chocolates, caramels, and lollipops in bags, you need to find the greatest common divisor (GCD) of 32, 40, and 24.
1. First, find the GCD of 32 and 40:
- List the factors of each number:
- Factors of 32: 1, 2, 4, 8, 16, 32
- Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40
- The highest common factor of 32 and 40 is 8.
2. Next, find the GCD of 8 and 24:
- Factors of 8: 1, 2, 4, 8
- Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24
- The highest common factor of 8 and 24 is 8.
The GCD is the largest number that divides all three numbers evenly.
In this case, 8 is the highest common factor, which means you can make bags with 8 chocolates, 8 caramels, and 8 lollipops each.
To distribute an equal amount of chocolates, caramels, and lollipops in bags, you should make bags with 8 chocolates, 8 caramels, and 8 lollipops each.
To know more about greatest common divisor visit;
https://brainly.com/question/32851476
#SPJ11
Plz I might fail if I don’t get this done. PLZZZ Help
Answer:
f(10) = -130
Step-by-step explanation:
f(x) = -x² - 3x
f(10) = -(10)² - 3(10)
f(10) = -100 - 30
f(10) = -130
Debbie is having a yard sale and wants to catch shoppers' attention with colorful rectangular
price tags on each item. She attaches an extra large tag to a desk that she really wants to
sell. That special price tag is 2.5 inches wide and has an area of 7.5 square inches.
What is the height of the special price tag?
The height of the special price tag is 3 inches.
We have,
To find the height of the special price tag, we need to use the formula for the area of a rectangle:
Area = length x width
In this case,
We know the width is 2.5 inches and the area is 7.5 square inches.
Let h be the height of the tag, then we can write:
7.5 = h x 2.5
To solve for h, we divide both sides by 2.5:
h = 7.5 ÷ 2.5
h = 3
Therefore,
The height of the special price tag is 3 inches.
Learn more about rectangles here:
https://brainly.com/question/15019502
#SPJ1
What makes a Supplementary angle supplementary
Two angles are supplementary when their measures add up to 180 degrees.
So what makes a supplementary angle supplementary?
-> A supplementary angle is supplementary when it is 180° minus the measure of another angle.
In an example, the supplementary angle of 94° is 86° because 180° - 94° = 86°
Answer:
Two angles are called supplementary when their measures add up to 180 degrees.
Step-by-step explanation:
HELP PLEASE!! WILL GIVE BRAINLIEST!!!
Answer:
The slope will be y=-20/8x +17.5
Step-by-step explanation:
I hope this Helped
Let u - 4x? - 1. Find du. (4-1) du - Indicate how the limits of integration should be adjusted in order to perform the integration with respect to u. (Enter your answer using interval notation.) [0, 1] - Evaluate the definite integral. 01 Need Help? Read to a Tutor Consider the following. Let u = x + 1. Find du. du- Indicate how the limits of integration should be adjusted in order to perform the integration with respect to L. (Enter your answer using interval notation, [0, 2] - Evaluate the definite integral.
The value of du becomes 4 by integration.
According to the statement
we have given a two statement which are u - 4x and u = x + 1.
And we have to find the value of du by the use of integration.
An Integral assigns numbers to functions in a way that describes the data.
So,
From u - 4x
here du becomes by derivative
du - 4dx/du
du = 4dx/du. -(1)
And in u = x + 1.
here du becomes
du = dx/du -(2)
by comparing both terms from equation (1) and (2) we get the value of du
du = 4.
the value of du is 4.
So, The value of du becomes 4 by integration.
Learn more about INTEGRATION here https://brainly.com/question/19053586
#SPJ4
Which values of a, b, and c represent the answer in simplest form? plis help!
verify that the vector xp is a particular solution of the given nonhomogeneous linear system.
x’ = (2 1 1 -1)x+(-5 2); x˅p = (1 3)
To verify that the vector xp is a particular solution of the given nonhomogeneous linear system, we need to substitute xp into the system and check if it satisfies the equation.
The given nonhomogeneous linear system can be written in the form x' = Ax + f, where A is the coefficient matrix (2 1 1 -1) and f is the constant vector (-5 2). The vector xp = (1 3) is a particular solution if it satisfies the equation x' = Ax + f.
Substituting xp into the equation, we get:
x' = (2 1 1 -1) (1 3) + (-5 2)
= (1 -1 2 -8)
Therefore, the left-hand side of the equation is:
x' = (1 -1 2 -8)
And the right-hand side is:
Ax + f = (2 1 1 -1) (1 3) + (-5 2)
= (1 -1 2 -8)
Since the left-hand side is equal to the right-hand side, we can conclude that the vector xp = (1 3) is indeed a particular solution of the given nonhomogeneous linear system.
We have verified that the vector xp = (1 3) is a particular solution of the given nonhomogeneous linear system by substituting it into the equation and checking if it satisfies the equation.
To know more about linear system, visit:
https://brainly.com/question/21404414
#SPJ11
Value for (ii): 11.65 ⠀ Part c) Which of the following inferences can be made when testing at the 5% significance level for the null hypothesis that the racial groups have the same mean test scores? OA. Since the observed F statistic is greater than the 95th percentile of the F2,74 distribution we do not reject the null hypothesis that the three racial groups have the same mean test score. OB. Since the observed F statistic is less than the 95th percentile of the F2,74 distribution we do not reject the null hypothesis that the three racial groups have the same mean test score. OC. Since the observed F statistic is greater than the 5th percentile of the F2,74 distribution we do not reject the null hypothesis that the three racial groups have the same mean test score. OD. Since the observed F statistic is less than the 95th percentile of the F2,74 distribution we can reject the null hypothesis that the three racial groups have the same mean test score. O E. Since the observed F statistic is less than the 5th percentile of the F2,74 distribution we do not reject the null hypothesis that the three racial groups have the same mean test score. OF. Since the observed F statistic is greater than the 95th percentile of the F2,74 distribution we can reject the null hypothesis that the three racial groups have the same mean test score
When testing at 5% significance level for null hypothesis the inference that can be made is that since observed F statistic is less than 95th percentile of the F2,74 distribution, we do not reject the null hypothesis.
In hypothesis testing, the F statistic is used to compare the variances between groups. In this case, we are testing whether the racial groups have the same mean test scores. The F statistic follows an F-distribution with degrees of freedom for the numerator (numerator df) equal to the number of groups minus one (k-1), and degrees of freedom for the denominator (denominator df) equal to the total number of observations minus the number of groups (N-k).
Given that the observed F statistic is less than the 95th percentile of the F2,74 distribution, it means that the obtained F value is not significant at the 5% level. Therefore, we do not have enough evidence to reject the null hypothesis, which states that the three racial groups have the same mean test score (Option OB).
The other options can be eliminated based on their contradicting statements. For example, Option OA states that we do not reject the null hypothesis even though the observed F statistic is greater than the 95th percentile, which goes against the usual practice in hypothesis testing. Similarly, Options OC, OD, OF, and OE make incorrect inferences based on the observed F statistic being greater or lesser than specific percentiles of the F2,74 distribution.
Hence, Option OB is the correct inference based on the given information.
Learn more about hypothesis testing here:
https://brainly.com/question/30701169
#SPJ11
what is the probability of getting all tails? express your answer as a simplified fraction or a decimal rounded to four decimal places.
The probability of getting all tails when flipping a coin three times can be calculated using the multiplication rule of probability. For each flip of the coin, there are two possible outcomes: heads or tails.
Assuming the coin is fair, both outcomes are equally likely, so the probability of getting tails on any one flip is 1/2.
To calculate the probability of getting all tails in three flips, we need to multiply the probabilities of getting tails on each individual flip. Since the flips are independent events (i.e. the outcome of one flip does not affect the outcome of another flip), we can simply multiply the probabilities together:P(all tails) = P(tails on first flip) x P(tails on second flip) x P(tails on third flip)
= (1/2) x (1/2) x (1/2)
= 1/8
Therefore, the probability of getting all tails when flipping a coin three times is 1/8 or 0.125 when expressed as a decimal rounded to four decimal places.
To learn more about “probability” refer to the https://brainly.com/question/13604758
#SPJ11
find the slope between (-5,-4) and (-12,7)
Answer:
Slope = \(-\frac{11}{7}\)
Step-by-step explanation:
Slope = \(\frac{rise}{run}\)
Slope = \(\frac{y2-y1}{x2-x1}\)
Slope = \(\frac{7+4}{-12+5}\)
Slope = \(\frac{11}{-7}\)
Slope = \(-\frac{11}{7}\)
Answer:
11/-7
Step-by-step explanation
- First you get you X1 and Y1 then X2 and Y2
-after getting that your problem should look like this:
7 minus negative 4
over negative -12 minus negative -5
which when subtracted will get you 11/-7!
please give brainliest!
use the fourth order taylor polynomial for e9x at x=0 to approximate the value of e1/8.
e1/8=
The fourth-order Taylor polynomial approximation, e^(1/8) is approximately 2.775
To approximate the value of e^(1/8) using the fourth-order Taylor polynomial for e^9x at x=0, we can expand the function e^9x using its Taylor series centered at x=0 and keep terms up to the fourth order.
The Taylor series expansion for e^9x is given by:
e^9x = 1 + 9x + (9^2/2!) * x^2 + (9^3/3!) * x^3 + (9^4/4!) * x^4 + ...
approximate the value of e^(1/8), so we substitute x = 1/8 into the Taylor series expansion:
e^(1/8) ≈ 1 + 9(1/8) + (9^2/2!) * (1/8)^2 + (9^3/3!) * (1/8)^3 + (9^4/4!) * (1/8)^4
Simplifying this expression will give us the approximation:
e^(1/8) ≈ 1 + 9/8 + (81/2) * (1/64) + (729/6) * (1/512) + (6561/24) * (1/4096)
Calculating this approximation:
e^(1/8) ≈ 1 + 1.125 + 0.6328125 + 0.017578125 + 0.000823974609375
e^(1/8) ≈ 2.7750142097473145
Therefore, using the fourth-order Taylor polynomial approximation, e^(1/8) is approximately 2.775
To know more about Taylor .
https://brainly.com/question/28955331
#SPJ11
The fourth order Taylor polynomial approximation for e^(1/8) is approximately 1.06579.
The fourth order Taylor polynomial for e^9x at x=0 is:
f(x) = 1 + 9x + 81x^2/2 + 729x^3/6 + 6561x^4/24
To approximate e^(1/8), we substitute x=1/72 (since 1/8 = 9(1/72)):
f(1/72) = 1 + 9/8 + 81(1/8)^2/2 + 729(1/8)^3/6 + 6561(1/8)^4/24
f(1/72) = 1.06579
Know more about Taylor polynomial here:
https://brainly.com/question/31419648
#SPJ11
The ratio of number of boys to girls in a school is 6 to 5.if there are a total of 48 boys in kindergarten ,how many girls are in kindergarten at this school
Step-by-step explanation:
6=48
5=less
=5/6 × 48
=8×5
=40girls
Answer:
40
Step-by-step explanation:
i dont feel like explaining it but theres 40 girls
My bag weighs 4 pounds how many ounces does it weigh
Answer:
The answer is 64 ounces.
Answer:
64 ounces
Step-by-step explanation:
1 pound = 16 ounces
4 * 16 = 64