An article in American Demographics claims that more than twice as many shoppers are out shopping on the weekends than during the week. Not only that, such shoppers also spend more money ontheir purchases on Saturdays and Sundays! Suppose that the amount of money spent at shopping centers between 4 p.m. and 6 p.m. on Sundays has a normal distribution with mean $170 and with astandard deviation of $20. A shopper is randomly selected on a Sunday between 4 p.m. and 6 p.m. and asked about his spending patterns.A USE SALT(a) What is the probability that he has spent more than $180 at the mall? (Round your answer to four decimal places.)(b) What is the probability that he has spent between $180 and $200 at the mall? (Round your answer to four decimal places.)(c) If two shoppers are randomly selected, what is the probability that both shoppers have spent more than $200 at the mall? (Round your answer to four decimal places.)You may need to use the appropriate appendix table to answer this question.

From the given information we find the probability.

Answered: An article in American Demographics…

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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