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4. A survey indicates that for each trip to the supermarket, a shopper spends an average of 45 minutes with a standard deviation of 12 minutes in the store. The lengths of time spent in the store are normally distributed and are represented by the variable x. A shopper enters the store. a. Find the probability that the shopper will be in the store for 36 minutes. b. Interpret your answer if 165 shoppers enter the store. How many shoppers would you expect to be in the store for 36 minutes?

4. A survey indicates that for each trip to the supermarket, a shopper spends an average of 45 minutes with a standard deviation of 12 minutes in the store. The lengths of time spent in the store are normally distributed and are represented by the variable x. A shopper enters the store. a. Find the probability that the shopper will be in the store for 36 minutes. b. Interpret your answer if 165 shoppers enter the store. How many shoppers would you expect to be in the store for 36 minutes?

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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4. A survey indicates that for each trip to the supermarket, a shopper spends an average of 45 minutes with a standard deviation of 12 minutes in the store. The lengths of time spent in the store are normally distributed and are represented by the variable x. A shopper enters the store. a. Find the probability that the shopper will be in the store for 36 minutes. b. Interpret your answer if 165 shoppers enter the store. How many shoppers would you expect to be in the store for 36 minutes?
Transcribed Image Text:4. A survey indicates that for each trip to the supermarket, a shopper spends an average of 45 minutes with a standard deviation of 12 minutes in the store. The lengths of time spent in the store are normally distributed and are represented by the variable x. A shopper enters the store. a. Find the probability that the shopper will be in the store for 36 minutes. b. Interpret your answer if 165 shoppers enter the store. How many shoppers would you expect to be in the store for 36 minutes?
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