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Unformatted text preview: population parameter= 0.8. a) What are the mean and standard deviation of the sample proportion p ? Round your answers to five decimal places if necessary . b) What is the probability that the survey result differs from the truth about the population by more than 2 percentage points? Use your final answers from part a. Use actual values from Table A. Round your final answer to four decimal places. from book: 5.22 (page 333) Round the mean and standard deviation of the sample proportion p to five decimal places if necessary. Use those numbers to solve for the probability. Round your final answer for the probability to four decimal places. 5.28 (page 334) For all parts of this problem, round the mean and standard deviation of the count X to five decimal places if necessary. Use those numbers to solve for the probability. Round your final answer for the probability to four decimal places....
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 Spring '08
 ABDUS,S.

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