SOLUTION: In a random sample of 250 voters interviewed while exiting from polling places throughout a state, 145 said they voted for the reelection of the incumbent governor. Let p denote th

Question 929470: In a random sample of 250 voters interviewed while exiting from polling places throughout a state, 145 said they voted for the reelection of the incumbent governor. Let p denote the true proportion of all registered voters in the state who would vote for the incumbent governor. A 90% confidence interval for p is

A .58 � .051

B .57 � .036

C .51 � .080

D .517 � .249

E .58 � .061

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p = 145/250 = .58
.......
ME = 1.645(sqrt(.58*.42/250)) = .051
CI: .58 � .051
A.

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