Exhibit 9-1n = 36 = 24.6 S = 12 H0: μ 20Ha: μ > 20Refer to Exhibit 9-1(hint: S is the standard deviation of the sample). If the test is done at 95% confidence, the null hypothesis shouldSelect one:a.not be rejectedb.be rejectedc.Not enough information is given to answer this question.d.None of these alternatives is correct