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Probability

03/17/22

Consider the 11 letters of the word MISSISSIPPI. Two of these letters are selected at random, one by one without replacement. What is the probability that

1.) BOTH LETTERS ARE I2.) NIETHER OF THE LETTERS ARE I3.) EXACTLY ONE OF THE LETTERS IS P

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Probability Math Statistics Maths

03/17/22

You are apart-time crew at a fast food chain. Suppose you serve a certain number of customers every hour.

You are apart-time crew at a fast food chain. Suppose you serve a certain number of customers every hour. Assume the number of people you have served in 3 hours and let this be your population... more

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Probability Math Statistics Maths

03/16/22

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18.

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18. What is the mean of the sampling distribution of the sample means? What is the standard... more

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Probability

03/16/22

Probability question

A die is thrown 5 times. What is the probability of obtaining a 4 or 5?A. Zero B. Once C. TwiceHint: Calculate the p(4 or 5) for a single throw

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Probability Math

03/15/22

Out of 10 children born, what is the probability that more than 5 of the children are girls

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Probability

03/15/22

Given the following table of grades from a middle school math class:

Grades. A. B. C. D. E. Totals Male. 17. 8. 14. 11. 3. 53females. 12. 11. 13. 6. 5. 47totals. 29. 19. 27. 17. 8. 100a)What... more

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Probability Statistics

03/15/22

A distribution of values is normal with a mean of 116.7 and a standard deviation of 73.3

Find P68, which is the score separating the bottom 68% from the top 32%.Find P68=_______________________Enter your answer as a number accurate to 1 decimal place. Answers obtained using... more

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Probability Statistics

03/13/22

ratio and probability question

Imagine you are the coach for a co-ed softball championship game. There are two players on base and two outs. You are about to name a pinch hitter among three players. Maggie has gotten hits 4 out... more

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Probability Statistics

03/13/22

ratio and probability question

Imagine you are the coach for a co-ed softball championship game. There are two players on base and two outs. You are about to name a pinch hitter among three players. Maggie has gotten hits 4 out... more

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Answers •1

Probability Math Statistics Maths

03/13/22

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18.

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18. What is the mean of the sampling distribution of the sample means? What is the standard... more

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Probability Math Statistics Maths

03/12/22

A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?

A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?a.0.89b.1.29c.3.90d.2.20

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Probability Math Statistics Maths

03/12/22

A population consist of five (5) measurements 2,3,5,6 and 7.How many different samples of size n=2 can be drawn from the population?

A population consist of five (5) measurements 2,3,5,6 and 7.How many different samples of size n=2 can be drawn from the population?a.7b.8c.9d.10

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Probability Math Statistics Maths

03/12/22

What is the mean of a sampling distribution of sample means if a population has a mean of 8.5?

1.What is the mean of a sampling distribution of sample means if a population has a mean of 8.5?2.What is the mean of a population if the mean of the sampling distribution of sample means is... more

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Probability Math Statistics Maths

03/12/22

A population consist of the data (1,2,3,4).What is the lowest value of the sample mean in this sampling distribution?

A population consist of the data (1,2,3,4).What is the lowest value of the sample mean in this sampling distribution?a.1.5b.0c.2d.2.5

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Probability Statistics

03/12/22

Probability rolling a die

You roll a die repeatedly until you observe a 6 and then you stop. Let N denote the number of rolls you made before you stop. a) What is the probability of N = 10? b) What is the probability of... more

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Probability

03/11/22

A problem is given to three persons P, Q, R whose respective chances of solving it are 2/7, 4/7, 4/9 respectively. What is the probability that the problem is solved?

A problem is given to three persons P, Q, R whose respective chances of solving it are 2/7, 4/7, 4/9 respectively. What is the probability that the problem is solved?https://starofgeeks.com

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Probability

03/11/22

Sampling Distribution and PRobability

the proportion of eligible voters in the next corporation election who will vote for the incumbent is assumed to be 55%. what is the probability that in a random sample of 500 voters less than 49%... more

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Probability College Algebra Mathematics

03/11/22

A machine produces widgets at a defective rate of 9%. A sample of 11 widgets is taken, What is the probability that 3 of them are defective?

A machine produces widgets at a defective rate of 9%. A sample of 11 widgets is taken, What is the probability that 3 of them are defective?A. 0.0559B. 0.0566C. 0.1427D. 0.1639

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Probability Math Statistics

03/10/22

If Roberto scored 85, what was his z-score?

On a nationwide math test, the mean was 75 and the standard deviation was 10. If Roberto scored 85, what was his z-score?

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Probability Statistics

03/10/22

how would you change the game (ticket prices, number of tickets, prize amounts, etc.) in order to encourage more people to purchase tickets while still raising at least $4000 for your organization?

If you were organizing a raffle like this, how would you change the game (ticket prices, number of tickets, prize amounts, etc.) in order to encourage more people to purchase tickets while still... more

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Probability Statistics

03/10/22

Using the empirical rule (as presented in the book), what is the approximate percentage of daily phone calls numbering between 59 and 69?

In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 64 and a standard deviation of 5. Using the... more

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Probability

03/10/22

A coin is thrown 3 times .what is the probability that atleast one head is obtained? https://starofgeeks.com

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Probability Statistics Fractions Percentages

03/09/22

Probability of winning

If I purchase 10 lottery tickets, with 44,020 prizes to be won and 1,100,000 total tickets sold, what are my odds of winning?

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Probability Math English Statistics

03/09/22

I don’t understand how to calculate a and get the standard deviation for b, the mean for c and e, and don’t get f

The distribution of actual weights of wedges of cheddar cheese produced at a dairy is normal with a mean of 9.1 ounces and a standard deviation of 0.2 ounces. (Round to 2 decimal places for all... more

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Probability Math English Statistics

03/09/22

What method/ process should I use in order to solve this? It’s due in one day.

Large adult population has a mean IQ of 113, standard deviation of 25. Suppose 40 are randomly selected for a market research campaign.(z-values (2 decimal places) and rest of the answers to 4... more

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Consider the 11 letters of the word MISSISSIPPI. Two of these letters are selected at random, one by one without replacement. What is the probability that

You are apart-time crew at a fast food chain. Suppose you serve a certain number of customers every hour.

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18.

Probability question

Out of 10 children born, what is the probability that more than 5 of the children are girls

Given the following table of grades from a middle school math class:

A distribution of values is normal with a mean of 116.7 and a standard deviation of 73.3

ratio and probability question

ratio and probability question

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18.

A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?

A population consist of five (5) measurements 2,3,5,6 and 7.How many different samples of size n=2 can be drawn from the population?

What is the mean of a sampling distribution of sample means if a population has a mean of 8.5?

A population consist of the data (1,2,3,4).What is the lowest value of the sample mean in this sampling distribution?

Probability rolling a die

A problem is given to three persons P, Q, R whose respective chances of solving it are 2/7, 4/7, 4/9 respectively. What is the probability that the problem is solved?

Sampling Distribution and PRobability

A machine produces widgets at a defective rate of 9%. A sample of 11 widgets is taken, What is the probability that 3 of them are defective?

If Roberto scored 85, what was his z-score?

how would you change the game (ticket prices, number of tickets, prize amounts, etc.) in order to encourage more people to purchase tickets while still raising at least $4000 for your organization?

Using the empirical rule (as presented in the book), what is the approximate percentage of daily phone calls numbering between 59 and 69?

A coin is thrown 3 times .what is the probability that atleast one head is obtained? https://starofgeeks.com

Probability of winning

I don’t understand how to calculate a and get the standard deviation for b, the mean for c and e, and don’t get f

What method/ process should I use in order to solve this? It’s due in one day.

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