The time that a shopper spends in the grocery store is normally distributed, with a mean of 45 minutes and a standard deviation of 12 minutes. 1. If a shopper is randomly selected, what is the probability that the time spent in the store is less than 20 minutes? 2. Based on your answer to #1, would you consider it unusual for a shopper to spend only 20 minutes in the grocery store? Why? 3. What time spent cuts off the highest 10% of shopping times?
The time that a shopper spends in the grocery store is normally distributed, with a mean of 45 minutes and a standard deviation of 12 minutes. 1. If a shopper is randomly selected, what is the probability that the time spent in the store is less than 20 minutes? 2. Based on your answer to #1, would you consider it unusual for a shopper to spend only 20 minutes in the grocery store? Why? 3. What time spent cuts off the highest 10% of shopping times?
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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The time that a shopper spends in the grocery store is normally distributed, with a mean of 45 minutes and a standard deviation of 12 minutes.
1. If a shopper is randomly selected, what is theprobability that the time spent in the store is less than 20 minutes?
2. Based on your answer to #1, would you consider it unusual for a shopper to spend only 20 minutes in the grocery store? Why?
3. What time spent cuts off the highest 10% of shopping times?
1. If a shopper is randomly selected, what is the
2. Based on your answer to #1, would you consider it unusual for a shopper to spend only 20 minutes in the grocery store? Why?
3. What time spent cuts off the highest 10% of shopping times?
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