A test of sobriety involves measuring the subject's motor skills. A sample oF 41 randomly selected sober subjects take the test and produce a mean score of 79.6 with a standard deviation of 4.1 A claim is made that the true mean score For all sober subjects is not equal to .73. For each part below. enter only a numeric value in the answer box. For example, do not type "2 =" or \"t =\" before your answers. Round each of your answers to 3 places after the decimal point. {a} Calculate the value of the test statistic used in this test. Test statistic's value = [b] Use your calculator to find the P-value of this test. P-value = [c] Use your calculator to find the critical value{s} used to test this claim at the 0.2 significance level. If there are two critical values, then list them both with a comma between them. Critical valuel[s} =