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A child psychologist wishes to estimate the percentage of fathers who watch their preschool-aged child when...

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Statistics

A child psychologist wishes to estimate the percentage offathers who watch their preschool-aged child when the mother works.What size sample should be obtained if she whises the estimate tobe within 3 percentage points with 97% confidence if

A. she uses a 2005 estimate of 82% obtained from the U.S CensusBureau?

Z= n=

B. She does not use any prior estimates.

n=

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SolutionGivenp proportion of fathers who watch their preschoolaged childwhen the mother    See Answer
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