If the cost per person to rent a van varies inversely with the number of Number of Cost per Person
People
for Van ($)
3
1,200
4
1.200
5
1,000
6
600
Number of
People
Cost per Person
for Van (S)
3
500
4
700
5
900
6
1.100
Number of
People
Cost per Person
for Van (S)
3
300
4
400
5
500
6
600
Number of
People
Cost per Person
for Van (5)
200
3
4
150
5
120
5
100

(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.)