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Author Question: Find z1 if the area to the left of a positive z1 is 0.9131.[br][br][b][color=green]Question ... (Read 91 times)

jhjkgdfhk

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on: Jun 24, 2018
Find z1 if the area to the left of a positive z1 is 0.9131.

Question 2

In an effort to identify the true proportion of shoplifters who are under age 18, a random sample of 300 shoplifting cases was taken. One hundred and twenty of those cases involved persons under age 18 . What value would be used to estimate the true proportion of under age 18 shoplifters?


todom5090

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Reply #1 on: Jun 24, 2018
Answer to Question 1

1.36

Answer to Question 2

0.4


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