A researcher investigating whether joggers are less likely to get colds than people who do not
jog found a P-value of 3%. This means that:
A) There's a 3% chance that joggers don't get fewer colds.
B) None of these
C) 3% of joggers get colds
D) Joggers get 3% fewer colds than non-joggers
E) There's a 3% chance that joggers get fewer colds

(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.)