# SOLUTION: Hello I;m really confused on this problem...I just dont understand what to do. Im taking statistics online and emailed my teacher 3 days ago on help with question but havent gotten

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: Hello I;m really confused on this problem...I just dont understand what to do. Im taking statistics online and emailed my teacher 3 days ago on help with question but havent gotten      Log On

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 Algebra: Probability and statistics Solvers Lessons Answers archive Quiz In Depth

 Question 494762: Hello I;m really confused on this problem...I just dont understand what to do. Im taking statistics online and emailed my teacher 3 days ago on help with question but havent gotten a respond...Help would be grealy appreciated...thanks a lot Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the following: A)Ho:u< line underneath 83 and Ha:u>83 a=0.01 B)Ho:u> line underneath 92 and Ha:u<92 a=0.05 C)Ho:u=53 and Ha:u # 53 a=0.10 Answer by stanbon(57984)   (Show Source): You can put this solution on YOUR website!Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the following: A)Ho:u< line underneath 83 and Ha:u>83 a=0.01 Right-tail tes with z = z = 2.3263 ========================================== ----- B)Ho:u> line underneath 92 and Ha:u<92 a=0.05 Left-tail test with z = -1.645 ========================================== ----- C)Ho:u=53 and Ha:u # 53 a=0.10 2-tail test with z = +/-1.645 ========================================== Cheers, Stan H. ============