Please write steps by steps A-F

Prob #2 A city planner claims that the mean speed of westbound traffic along a road segment during morning peak hours is less than 50 miles per hour. In a random sample of 45 motor vehicles traveling westbound along the road segment during morning peak hours, the mean speed is 51 miles per hour. Assume the population standard deviation is 5 miles per hour. At a = 0.05, is there enough evidence to support the city planner's claim? Use the Rejection Region a) Let u = 3 pts b ) Claim: 3 pts H : c) 4 pts d) Test Statistic: 5 pts e) Determine the rejection region. S pts f) State your conclusion about the claim. S pts