You are employed by research laboratories as a chemical technician you are single and pay into the research laboratories super med plus hmo the total cost is $5,175 annually the employer pays 90 percent of the total cost you also pay 60 percent of the optional annual dental premium of $462 and 55 percent of the optional vision premium of $188

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)