1. Over one season, Wellton Cove Cricket Club won 10 cricket matches, lost 8 and drew 2. The
probability of Wellton Cove CC either winning or losing a match is 0.9. Show by calculation that
winning a match and losing a match are mutually exclusive events.
13

Answers

Answer 1

The calculation shows that winning a match and losing a match are mutually exclusive events with a joint Probability of zero.

To show that winning a match and losing a match are mutually exclusive events, we need to demonstrate that the probability of both events occurring at the same time is zero.

Given that Wellton Cove Cricket Club either wins or loses a match with a probability of 0.9, we can calculate the probability of winning a match as P(W) = 0.9 and the probability of losing a match as P(L) = 0.9.

Since winning and losing are mutually exclusive events, the probability of both events occurring simultaneously is zero. Mathematically, this can be expressed as:

P(W and L) = 0

This equation represents the joint probability of winning a match and losing a match, which should be zero if the events are mutually exclusive.

In this case, the probability of winning a match is 0.9, and the probability of losing a match is also 0.9. Since the probability of both events occurring simultaneously is zero, we can conclude that winning a match and losing a match are indeed mutually exclusive events.

Therefore, the calculation shows that winning a match and losing a match are mutually exclusive events with a joint probability of zero.

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Related Questions

Please help falling behind and grade is low!!!

Find the missing values in the table below so that it represents a linear function. Enter
Y2, 93, and y4 in order, in the boxes below.
(Picture bow)

Please help falling behind and grade is low!!! Find the missing values in the table below so that it

Answers

The slope of a linear function is always the same thus the missing values are y₂ = 5 , y₃ = 8, and y₄ = 12.

What is a linear function?

A straight line on the coordinate plane is represented by a linear function.

A linear function always has the same and constant slope.

In another word, a linear function is a function that varies linearly with respect to the changing variable.

As per the given table,

Take (2,3) and (6,19)

Slope = (19 - 3)/(6 - 2) = 4

To maintain the same slope,

(y₂ - 3)/(3 - 2) = 4

y₂ = 5

(y₃ - 4)/(4 - 3) = 4

y₃ = 8

(y₄  - 8)/(5 - 4) = 4

y₄ = 12

Hence "The slope of a linear function is always the same thus the missing values are y₂ = 5, y₃ = 8, and y₄ = 12".

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Alexander went into a movie theater and bought 3 candies and 2 pretzels, costing a
total of $17.50. Andres went into the same movie theater and bought 9 candies and 4
pretzels, costing a total of $44. Determine the price of each candy and the price of
each pretzel.

Answers

Using the system of equation, the unit cost of candy and pretzel are $3 and $4.25 respectively

System of Equation

System of equations, or simultaneous equations, In algebra, two or more equations to be solved together (i.e., the solution must satisfy all the equations in the system). For a system to have a unique solution, the number of equations must equal the number of unknowns.

We can set up two different equations to represent the problem given;

Let candies = x, pretzels = y

3x + 2y = 17.50 ...eq(i)

9x + 4y = 44 ...eq(ii)

Solving for equation (i) and (ii);

The value of x and y are 3 and 4.25 respectively.

The cost of the candy is $3 and pretzel is $4.25

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what is 3.4x.61? And how do I solve it

Answers

Answer:

Step-by-step explanation:

Answer: 2.074

can also be written as a fraction 2  37/500

whats the distance between the following points? -9,8 -3,2

Answers

So the right answer is 314 units.

Look at the attached picture

Hope it will help you

Good luck on your assignment

whats the distance between the following points? -9,8 -3,2

help me and brainlist if you get it right

help me and brainlist if you get it right

Answers

Answer:

80 in^2 or 80 square inches

Step-by-step explanation:

Area of the top triangle=

1/2*4*4

8 square inches,

Area of the square=

4*4

16 square inches

Area of the rectangle=

4*8

32 square inches

Area of both bottom triangles=

2(1/2*3*8)

24 square inches

add them up and you get

Please help I don't understand. If you could explain that would be great too.

Please help I don't understand. If you could explain that would be great too.

Answers

Hey! This is gonna be easier than you think. So basically, X is the amount of seconds, and Y is the number of meters. What determines if something is a function, is if each X has exactly one Y corresponding to it. You cannot have the two of the same number that are X. For this question, the answer would be A. Because each ~input~ has one ~output~. If this doesn’t make sense, tell me and I’ll try to explain it better :)

How many observations should a time study analyst plan for in an operation that has a standard deviation of 1.5 minutes per piece if the goal is to estimate the mean time per piece to within .4 minute with a confidence of 95.5 percent? (Do not round intermediate calculations. Round up your final answer to the next whole number.)


Number of observations

Answers

The time study analyst should account for at least 55 observations in order to calculate the mean time per item with a 95.5% confidence level and a 0.4 minute margin of error.

We can use the sample size calculation formula in a confidence interval to get the number of observations required for a time study with the specified parameters:

\(n = (Z * \sigma / E)^2\)

Where:

n = sample size

Z = The target confidence level's Z-score (95.5% translates to roughly 1.96)

σ = procedure standard variation (1.5 minutes per piece)

E = margin of error (0.4 minutes)

Plugging in the values, we can calculate the sample size:

\(n = (1.96 * 1.5 / 0.4)^2\)

\(n = (2.94 / 0.4)^2\)

\(n = 7.35^2\)

n ≈ 54.02

We round up the sample size to the next whole number because we can't have a portion of an observation:

n = 55

Therefore, the time study analyst should prepare for at least 55 observations to estimate the mean time per item with a margin of error of 0.4 minutes and a confidence level of 95.5%.

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An experiment must have a placebo group in order to be valid. (T/F)

Answers

The statement is false.

What can you infer about the air pressures over the land and ocean? Explain your answer.

Answers

Answer: Hope This Helps

Step-by-step explanation:

During the day, the sun heats up both the ocean surface and the land. The wind will blow from the higher pressure over the water to lower pressure over the land causing the sea breeze. The sea breeze strength will vary depending on the temperature difference between the land and the ocean. At night, the roles reverse.

Please help with number 8

Please help with number 8

Answers

\(8.3\)

Rewrite as an improper fraction:

\( \large \frac{83}{10} \)

Rewrite as percentage:

\(830\%\)

Answer:

Fraction: 8.3x10/10 = 83/10

percentage: 83/10 × 100/1 = 830%

Please check my work!

Please check my work!

Answers

The mistakes you have are on both letter’s A and B so I wrote a note for you to look back on^^

Hi, so for A. You need to rewrite 19 as -19

And for B. You need to rewrite 15 as -15

Otherwise everything seems correct

Use this information to answer the next two questions.A Gallup Poll found that 51% of the people in its sample said "yes" when asked, "Would you like to lose weight?" Gallup announced: "With 95% confidence for results based on the total sample of national adults, one can say that the margin of sampling error is ± 3%."What is the 95% confidence interval estimate for the percent of all adults who want to lose weight?

Answers

The 95% confidence interval estimate for the percentage of all adults who want to lose weight is between 48% and 54%

The given information states that a Gallup Poll found 51% of the sample participants responded "yes" when asked if they would like to lose weight. The margin of sampling error is ±3% at a 95% confidence level.

To calculate the 95% confidence interval estimate for the percentage of all adults who want to lose weight, you simply add and subtract the margin of error from the sample percentage.

Lower limit: 51% - 3% = 48%
Upper limit: 51% + 3% = 54%

Therefore, the 95% confidence interval estimate for the percentage of all adults who want to lose weight is between 48% and 54%. This means that if this poll were repeated multiple times under the same conditions, in 95 out of 100 instances, the true percentage of all adults who want to lose weight would fall within this range.

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Find the missing side.
Round your answer to the nearest tenth

Find the missing side.Round your answer to the nearest tenth

Answers

The answer to your question is 7.2
the answer is 7.2!!!!!!!!!

I Need Help With This Question ​

I Need Help With This Question

Answers

Answer:

Step-by-step explanation:

Dont do it. Just take the detention

Someone help plz and plz make sure it’s right will mark brainiest:)

Someone help plz and plz make sure its right will mark brainiest:)

Answers

The answer is:
The second one, y= 1/3x + 10/3
Someone help plz and plz make sure its right will mark brainiest:)

Jayden and Brooklynn have daily chores they must complete. They also have extra chores
they can earn money for. Jayden earns $6 an hour for raking leaves in the yard. Brooklynn
earns $9 for making everyone's beds and an additional $1.50 an hour for helping with the
laundry.


Write the equation/expression that represents the amount of money that Jayden can earn


Write the equation/expression that represents the amount of money that Brooklyn can earn

Write the equation you would use to find how many hours each need to work in order to earn the same amount of money

After how many hours do they each need to work in order to have earned the same amount of money

Answers

Answer:

ayden earns $6 an hour for raking leaves in the yard, so the equation representing the amount of money he can earn is:

Earnings = 6 * (Number of hours worked)Brooklynn earns $9 for making everyone's beds and an additional $1.50 an hour for helping with the laundry, so the equation representing the amount of money she can earn is:

Earnings = 9 + (1.5 * (Number of hours worked))To find how many hours each need to work in order to earn the same amount of money, we can set the two equations equal to each other and solve for the number of hours worked.

6(Number of hours worked) = 9 + (1.5 * (Number of hours worked))Solving this equation gives us: Number of hours worked = 9/4 = 2.25 hoursSo after 2.25 hours, they each need to work in order to have earned the same amount of money.

Step-by-step explanation:

Jayden's equation: 6x

Brooklynn's equation: 9x + 1.5y

Equation to find how many hours each need to work: 6x = 9x + 1.5y

After 12 hours, they each need to work in order to have earned the same amount of money.

WILL GIVE BRAINLIEST

Find the Coordinates of the midpoint of a segment with the given endpoints. C (32, -1), D (0, -12)​

Answers

Answer:

(16,-1)

Step-by-step explanation:

Answer:

\( x \: midpoint = \frac{x1 + x2}{2} \)

\(y \: midpoint = \frac{y1 + y2}{2} \)

subs points into formula:

\(x = \frac{32 + 0}{2} = 16 \\ y = \frac{ - 1 + ( -12 )}{2} = \frac{ - 13}{2} \)

midpoint is:

\((16, \frac{ - 13}{2} )\)

two apples and five bananas cost

Answers

7a = 7. So, a = 1. Consequently, the $1 apple price is the suggested cost option. (A).

What are linear equations?

A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."

Let a represent the cost of an apple and b represent the cost of a banana. Using the information provided, we can then create two equations:

2a + 5b = 17 (equation 1)

3a + 4b = 15 (equation 2)

By removing b, we can find a solution for a. When we multiply equations 1 and 2 by 4 and by 5, we obtain:

8a + 20b = 68

15a + 20b = 75

Equation 1 minus equation 2 results in:

7a = 7

So, a = 1.

Consequently, the $1 apple price is the suggested option. (A).

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Complete question is:

Two apples and five bananas cost $17, while three apples and four bananas cost $15. What is the price of an apple?

(A) $ 1

(B) $ 1.50

(C) $ 2

(D) $ 2.50

(E) $ 3

Stanley’s father is paying for a $20 meal. He has a 15% off coupon for the meal. With the discount, how much is the meal?

Answers

20 * 0.15 = $3 discount
20 - 3 = $17
Solution: the meal is $17

Answer:

$3.00

Step-by-step explanation:

Factor the GCF4x^2+36x=-72

Answers

Answer:

x^2 + 9x = - 18

Step-by-step explanation:

GCF  is 4  So divide both sides by 4

4x^2 / 4 = x^2

36x/4  = 9x

- 72 /4 = -18

simplify 2/3(6x−1/6)+3x

Answers

Answer:

7x - 1/9

Step-by-step explanation:

2/3 (6x - 1/6) + 3x

12x/3 - 2/18 + 3x

4x - 1/9 + 3x

7x - 1/9

After simplifying, the value of expression is,

⇒ 7x - 1/9

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

We have to given that;

The expression is,

⇒ 2/3 (6x - 1/6) + 3x

Now, We can solve the expression as;

⇒ 2/3 (6x - 1/6) + 3x

⇒ 2/3 × 6x - 2/3 × 1/6 + 3x

⇒ 4x - 1/9 + 3x

⇒ 7x - 1/9

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Find x to the nearest hundredths place. Q 650 + R 22 cmS

Answers

To find the length of the hypotenuse in a right-angled triangle, we can use trigonometry. Using the given values of RS and angle Q, we can solve for QS ≈ 24.08 cm to the nearest hundredths place.

To find the length of the hypotenuse in a right-angled triangle with a given angle and one side, we can use trigonometry. In this case, we are given the angle Q, which is 65°, and the length of one of the sides, RS, which is 22 cm. We can use the sine function to relate the opposite side, RS, to the hypotenuse, QS. Solving for QS gives us QS = RS / sin(65°), which we can then evaluate to find QS ≈ 24.08 cm. Therefore, x ≈ 24.08 cm to the nearest hundredths place.

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The missing figure is in the image attached below

Find x to the nearest hundredths place. Q 650 + R 22 cmS

Use the table below to complete the following statements.

The value of m • n (8) is

The value of n • m (-4) is​

Use the table below to complete the following statements.The value of m n (8) isThe value of n m (-4)

Answers

Answer:

Step-by-step explanation:

Write the fraction as a decimal and a percent. 13/9​

Answers

Answer:

Decimal form = 1.44

Fraction form = 144/100

Hope this helps!

percent: 144.44%

decimal: 1.4444444444444

consider the following pattern: 5;8;11; ... ; ...

a) determine the common difference of the pattern

b) write the next two terms of the pattern

c) determine the general term

d) determined T²⁰ of the pattern ​

Answers

Answer:

Step-by-step explanation:

The common difference is 8-5 = 3

The first next term is 11 + 3 = 14

The next (second) term  is 14 + 3 = 17

tn = 5 + (n - 1)*3       This is part c

t20 = 5 + (20 - 1)*3

t20 = 5 + 19*3

t20 = 5 + 57

Answer t20 = 62

Bella is preheating her oven before using it to bake. The initial temperature of the oven is 65° and the temperature will increase at a rate of 10° per minute after being turned on. What is the temperature of the oven 18 minutes after being turned on? What is the temperature of the oven t minutes after being turned on?

Anyone know this one?
I will award brainliest ​

Answers

Answer:

answer should be 245 i am really sorry if it is wrong

Step-by-step explanation:

pls answer. On a coordinate plane, a line with a 90-degree angle crosses the x-axis at (negative 4, 0), turns at (negative 1, 3), crosses the y-axis at (0, 2) and the x-axis at (2, 0). What is the range of the function on the graph? all real numbers all real numbers less than or equal to –1 all real numbers less than or equal to 3 all real numbers less than or equal to 0

pls answer. On a coordinate plane, a line with a 90-degree angle crosses the x-axis at (negative 4, 0),

Answers

Range: All real numbers greater than or equal to 3. The Option C.

What is the range of the function on the graph formed by the line?

To find the range of the function, we need to determine the set of all possible y-values that the function takes.

Since the line crosses the y-axis at (0, 2), we know that the function's range includes the value 2. Also, since the line turns at (-1, 3), the function takes values greater than or equal to 3.

Therefore, the range of the function is all real numbers greater than or equal to 3.

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Which term describes the red curve in the figure below?
• A. Hyperbola
B. Circle
C. Parabola
• D. Ellipse

Which term describes the red curve in the figure below? A. HyperbolaB. CircleC. Parabola D. Ellipse

Answers

B. Circle

When a plane intersects a cone and is perpendicular to the height of the cone, then it forms a circle. If the plane intersected the cone at an angle, we would have an ellipse.

A cone has a circular base. So, the answer to your question is B for circle.

the average age of everyone in the class is an example of what type of statistics?

Answers

Answer: descriptive statistics

Step-by-step explanation: The average age of everyone in the class is an example of descriptive statistics.

A firm is expected to pay a dividend of $2.55 next year and $2.70 the following year. Financial analysts believe the stock will be at their price target of $40 in two years. Compute the value of this stock with a required return of 12.5 percent. (Round your answer to 2 decimal places.)

Answers

The required return rate is 12.5%. The value of the stock is calculated by discounting the future dividends and the price target back to the present value that is $36.0153

To compute the value of the stock, we can use the formula for the dividend discount model:

Value of Stock = Dividend / \((1 + Required Return Rate)^n\) + Dividend / \((1 + Required Return Rate)^{(n+1)}\) + Price Target / \((1 + Required Return Rate)^{(n+2)}\)

In this case, the dividends are $2.55 and $2.70, the required return rate is 12.5%, and the price target is $40. The dividends are discounted back to the present value using the required return rate, and the price target is discounted back two years. By plugging in the values into the formula and calculating, we can find the value of the stock.

Using the given values, the value of the stock with a required return of 12.5% is calculated as follows:

Value of Stock = $2.55 /\((1 + 0.125)^1\) + $2.70 / \((1 + 0.125)^2\) + $40 /\((1 + 0.125)^2\)

Value of Stock ≈ $36.0153

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Jane's results are summarized in the table Type of food Fruits Vegetables Candy Observed 62 54 84 Test proportion 0.333 0.333 0.333 Expected 66.667 66.667 66.667 Contribution to chi-square 0.327 2.407 4.506 Chi-square statistic: 7.2400 Degrees of freedom: 2 What is the p-value for Jane's chi-square test for goodness-of-fit? Round your answer to three decimal places. -2+10z=28 what is z? Find length of rectangle of its area and breadth are 280m and 40mrespectively. Sarah bought a bike that cost $260. She had acoupon that was worth $55 off the cost of anybike. Use the expression 260 + (-55) to find howmuch Sarah paid for her bike.PLEASE HELP ME IM DESPERATE You are the CEO of H-Robot Incorporated (HRI), which is a world leader in the robotics industry. Your company produces industrial robots which perform routine assembly line tasks. But due to severe competition, you are concerned about the future growth of HRI. 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Ivanhoe Uses Straight-LineThe December 31, 2023, Statement of financial position of Ivanhoe Corporation Includes the following:9% bonds payable due December 31, 2029 $545680The bonds have a face value of $532000, and were issued on December 31,2022, at 103, with interest payable on July 1 and December 31 of each year. Ivanhoe uses straight-line amortisation to amortise bond premium or discount. On March 1, 2024, Ivanhoe retired $212800 of these bonds at 98 plus accrued interest. Ignoring Income taxes, what should Ivanhoe record as a gain on retirement of these bonds?a) $10640b) $9576c) $9728d) $5770Which option is correct ? and show workings please. Thank you! 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