A test is made of Ho: H = 20 versus #1: U

A test is made of H : g versus g < 20. A sample of size (a) Compute the value of the test statisticZ. (b) Is HO rejected at the a = level? (c) Is Ho rejected at the a level? Part I of 3 n 52 is drawn, and x IS. The population standard deviation is C (a) Compute the value of the test statistic. Round the answer to at least two decimal places. -240 Part: 1/3 Part 2 of 3 Choose the correct type of hypothesis test. Then find the critical values for a = 0.05 and a = O_OI . Round ycnr answers to three decimal places, if Critical Values for u = 0.05 Critical Values for u = 0.01 S Left-tailed C) Right-tailed o Two-tailed