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A state legislator wishes to survey residents of her district to see what proportion of the...

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Question

Statistics

A state legislator wishes to survey residents of her district tosee what proportion of the electorate is aware of her position onusing state funds to pay for abortions. (Round your answers up tothe nearest integer.)

(a)

What sample size is necessary if the 95% CI for p is tohave a width of at most 0.16 irrespective of p?

(b)

If the legislator has strong reason to believe that at least

7
8

of the electorate know of her position, how large a sample sizewould you recommend to maintain a width of at most 0.16?

Answer & Explanation Solved by verified expert
4.5 Ratings (813 Votes)
a The following information is provided Significance Level 005 Margin of Error E 008 The provided estimate of proportion p is p 05 The critical value for significance level 005 is 196 The following formula is used to    See Answer
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