IEE380Summer09Q11_Solutions

IEE380Summer09Q11_Solutions - IEE 380 Summer 2009 Name:

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Unformatted text preview: IEE 380 Summer 2009 Name: _____________________________ Quiz #11A One-hundred men were asked if they would vote for Candidate A; sixty-five of these men said they would. Two-hundred women were asked if they would vote for Candidate A; ninety-four of these women said they would. Using only the p-value, is there sufficient evidence that a higher proportion of men than proportion of women would vote for Candidate A? Show your hypotheses, all work, and clearly state your conclusion. Because the p-value is so small, we have good evidence for H 1 . We reject H and conclude that a higher proportion of men than women would vote for this candidate. ( 29 ( 29 ( 29 0016 . ) 95 . 2 ( 1 ) ( 1 95 . 2 200 1 100 1 ) 47 (. 53 . 47 . 65 . 1 1 1 53 . 200 100 94 65 .47 200 94 .65 100 65 : : 1 =- =- =- = +- = +-- = = + + = = = = =- =- z value p n n p p p p z p p p p p H p p H w m w m m w m w m w m IEE 380 Summer 2009 Name: _____________________________...
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IEE380Summer09Q11_Solutions - IEE 380 Summer 2009 Name:

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