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A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $30 and a standard deviation of $18. Suppose the store had 324 customers this Sunday. a) Estimate the probability that the store's revenues were at least $10,100. b) If, on a typical Sunday, the store serves 324 customers, how much does the store take in on the worst 10% of such days? a) The probability is (Round to four decimal places as needed.)

A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $30 and a standard deviation of $18. Suppose the store had 324 customers this Sunday. a) Estimate the probability that the store's revenues were at least $10,100. b) If, on a typical Sunday, the store serves 324 customers, how much does the store take in on the worst 10% of such days? a) The probability is (Round to four decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $30 and a standard deviation of $18. Suppose the store had 324 customers this Sunday. a) Estimate the probability that the store's revenues were at least $10,100. b) If, on a typical Sunday, the store serves 324 customers, how much does the store take in on the worst 10% of such days? a) The probability is (Round to four decimal places as needed.)
Transcribed Image Text:A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $30 and a standard deviation of $18. Suppose the store had 324 customers this Sunday. a) Estimate the probability that the store's revenues were at least $10,100. b) If, on a typical Sunday, the store serves 324 customers, how much does the store take in on the worst 10% of such days? a) The probability is (Round to four decimal places as needed.)
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