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Statistics question 9.3 #6

Statistics
Tutor: None Selected Time limit: 0 Hours

Apr 23rd, 2015

Decision Rule: Reject Ho if z> 1.28

test stat: z=(.51-.48)/sqrt(.48*.52/900) = .03/.01665=1.80

Fail to reject Ho, there is not sufficient evidence to support the mayor's claim.

Apr 23rd, 2015

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