In a group of 65 people. 40 like cricket, 10 like both cricket an
te tennis only and not cricket? how many like tennis?
n a committee, 50 people speak french, 20 speak spanish
danish and french. how many speak at least one of these

(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.)