A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean...

Question

Question

A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean...

A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $28 and a standard deviation of $20. Suppose the store had 291 customers this Sunday.

a) Estimate the probability that the store's revenues were at least $8 comma 800.

b) If, on a typical Sunday, the store serves 291 customers, how much does the store take in on the worst 10% of such days?

math Statistics-And-Probability

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Add a comment

Answer 2

Similar Homework Help Questions

A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean...

A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $26 and a standard deviation of $14. Suppose the store had 312 customers this Sunday. a) Estimate the probability that the store's revenues were at least $8 comma 400. b) If, on a typical Sunday, the store serves 312 customers, how much does the store take in on the worst 1% of such days?
A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean...

A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $26 and a standard deviation of $15. Suppose the store had 315 customers this Sunday. a) Estimate the probability that the store's revenues were at least $8,300 b) If, on a typical Sunday, the store serves 315 customers, how much does the store take in on the worst 10% of such days?
A grocery stores receipts show that Sunday customers purchases have a skewed distribution with a mean...

A grocery stores receipts show that Sunday customers purchases have a skewed distribution with a mean of $27 and a standard deviation of $17 suppose the store had 311 customers this Sunday. a.) estimate the probability that the stores revenues were at least 8900 b.) if on a typical Sunday the store serves 311 customers how much does the store take in on the worst 1% of such days

a) The probability is (Round to four decimal places as needed.) B) the store takes in...

a) The probability is (Round to four decimal places as needed.) B) the store takes in at most $. ? (Round to two decimal places as needed.) A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $33 and a standard deviation of $19. Suppose the store had 312 customers this Sunday. a) Estimate the probability that the store's revenues were at least $10,800 b) If, on a typical Sunday, the store serves...
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50, with a...

The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50, with a standard deviation of $500. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the following questions (a) What is the likelihood the sample mean is at least $25.00 decimal places and final answer to 4 decimal places.) Round z value to 2 Probability What is the likelihood the sample mean is greater than $2250 but less...
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50, with a...

The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50, with a standard deviation of $5.00. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the following questions. (a)What is the likelihood the sample mean is at least $25.00? (Round z value to 2 decimal places and final answer to 4 decimal places.) Probability (b)What is the likelihood the sample mean is greater than $22.50 but less an...

A local store knows that the mean purchase per customer is $57.84. Suppose the purchases per...

A local store knows that the mean purchase per customer is $57.84. Suppose the purchases per customer are normally distributed with a standard deviation of $4.63. What is the probability that in a sample of 26 customers the mean purchase per customer is between $56 and $58? a) 0.1774 b) 0.5502 c) 0.0212 d) 0.5714
LUULIS spend scuoying per week have a distribution skewed to the right with a mean of...

LUULIS spend scuoying per week have a distribution skewed to the right with a mean of 8.6 hours and a standard deviation of 28 houm Find the probability that the mean time spent studying per week for a random sample of 49 college students would be between 8.2 and 8.9 hours. Round your answer to two decimal places. Attach File Browse My Computer Browse Content Collection Browse Dropbox QUESTION 4 Let x denote the time it takes to run a...
Customers make purchases at a convenience store, on average, every nine minutes. It is fair to...

Customers make purchases at a convenience store, on average, every nine minutes. It is fair to assume that the time between customer purchases is exponentially distributed. Jack operates the cash register at this store. a-1. What is the rate parameter λ? (Round your answer to 4 decimal places.) a-2. What is the standard deviation of this distribution? (Round your answer to 1 decimal place.) b. Jack wants to take a seven-minute break. He believes that if he goes right after...

A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean...

Homework Answers