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A Public Relations Firm Found That Only 9 p^\hat { p }

Question 59
Multiple Choice
arrowQuestion 59arrow
Multiple Choice

A public relations firm found that only 9 % of voters in a certain state are satisfied with their U.S. senators. How large a sample of voters should be drawn so that the sample proportion p^\hat { p } of voters who are satisfied with their senators is approximately normally distributed?

A) 11
B) 10
C) 125
D) 112

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