napter 09, Section 9.2, Problem 020a random sample of 132 observations produced a sample mean of 30. Find the critical and observed values of z for the following test of hypo" = 0.01. The population standard deviation is known to be 9 and the population distribution is normal. D:H = 28 versus H: µ # 28. und your answers to two decimal places. itical left

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Chapter 09, Section 9.2, Problem 020a
A random sample of 132 observations produced a sample mean of 30. Find the critical and observed values of z for the following test of hypothesis using
a = 0.01. The population standard deviation is known to be 9 and the population distribution is normal.
Ho: µ = 28 versus H1: µ # 28.
Round your answers to two decimal places.
Zcritical left =|
Zcritical right
Zobserved =
Question Attempts: 0 of 2 used
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Transcribed Image Text:tice Assignment Gradebook ORION Downloadable eTextbook ment FULL SCREEN PRINTER VERSION 1 BACK NEXT Chapter 09, Section 9.2, Problem 020a A random sample of 132 observations produced a sample mean of 30. Find the critical and observed values of z for the following test of hypothesis using a = 0.01. The population standard deviation is known to be 9 and the population distribution is normal. Ho: µ = 28 versus H1: µ # 28. Round your answers to two decimal places. Zcritical left =| Zcritical right Zobserved = Question Attempts: 0 of 2 used SAVE FOR LATER SUBMIT ANSWER powered by MapleNet étv hulu W
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