SOLUTION: A local group claims that the police issue at least 60 speeding tickets a day in their area. To prove their point, they randomly select one month. Their research yields the number

Question 925391: A local group claims that the police issue at least 60 speeding tickets a day in their area. To prove their point, they randomly select one month. Their research yields the number of
tickets issued for each day. The data are listed below. At 􀎅 = 0.01, test the group's claim
70 48 41 68 69 55 70 57 60 83
32 60 72 58 88 48 59 60 56 65
66 60 68 42 57 59 49 70 75 63
44
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Ho: x ≥ 60 Claim
Ha: x < 60
mean = 60.387097 , Sd = 12.186543
rounded
z = .4/12.2/sqrt(31) = .1825
p(z < .1825) = .5724
.5724 > .01
Accept Claim

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