Author Question: Find z1 if the area to the left of a positive z1 is 0.9131.[br][br][b][color=green]Question ... (Read 63 times)

jhjkgdfhk

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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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Answer to Question 1

1.36

Answer to Question 2

0.4



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