It has been found that on average, nine shoppers enter a Shoprite supermarket in any given 15-minute period. What is the probability that: Four shoppers will enter a Shoprite supermarket in any given five minute period? Interpret your answer.   Less than two shoppers will enter a Shoprite supermarket in any given 15 minute period? Interpret your answer

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 15CR
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It has been found that on average, nine shoppers enter a Shoprite supermarket in any given 15-minute period. What is the probability that:

Four shoppers will enter a Shoprite supermarket in any given five minute period? Interpret your answer.

 

Less than two shoppers will enter a Shoprite supermarket in any given 15 minute period? Interpret your answer

 

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The time taken to download a particular app has been found to be normally distributed, with an average time of five minutes and a standard deviation of 0.30 minutes. What is the probability that a randomly selected person will: Take between 4.75 and 5.45 minutes to download the app? Interpret your answer.

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