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The manager of Carrefour selected samples of 64 customers and computed the sample average amounts spent. If test results over a long period of time showed that 2.5% of the values are over 18 and 2.5% are less than 6, what is the mean of the population of products from which these samples were taken? а. б b. 36 С. 12 d 34

The manager of Carrefour selected samples of 64 customers and computed the sample average amounts spent. If test results over a long period of time showed that 2.5% of the values are over 18 and 2.5% are less than 6, what is the mean of the population of products from which these samples were taken? а. б b. 36 С. 12 d 34

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
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The manager of Carrefour selected samples of 64 customers and computed the sample average amounts spent. If test results over a long period of time showed that 2.5% of the values are over 18 and 2.5% are less than 6, what is the mean of the population of products from which these samples were taken? а. б b. 36 С. 12 d. 24
Transcribed Image Text:The manager of Carrefour selected samples of 64 customers and computed the sample average amounts spent. If test results over a long period of time showed that 2.5% of the values are over 18 and 2.5% are less than 6, what is the mean of the population of products from which these samples were taken? а. б b. 36 С. 12 d. 24
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