Mary Jo Fitzpatrick is the Vice President for Nursing Services at St. Luke's Memorial Hospital.

Mary Jo Fitzpatrick is the Vice President for Nursing Services at St. Luke's Memorial Hospital. Recently she noticed in the job postings for nurses that those that are unionized seem to offer higher wages. She decided to investigate and gathered the following information.PopulationGroup Mean Wage Standard Deviation Sample SizeUnion $20.75 $2.25 40Nonunion $19.80 $1.90 45Would it be reasonable for her to conclude that union nurses earn more? Use the .02 significance level. What is the p-value?(2)State the decision rule. (Round your answer to 2 decimal places.)The decision rule is to reject HO if Z-(3)Compute the value of the test statistic. (Round your answer to 2 decimal places.)The test statistic is Z =

Let union be group 1 and non union group 2Then we are given the following information: x1 = 20.75, σ 1 = 2.25, n1 = 40x 2 = 19.80, σ 2 = 1.90, n2 = 45We set up the null hypothesis: µ1 = µ 2...