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Determine the sample size n needed to construct a 90?% confidence interval to estimate the population...

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Basic Math

Determine the sample size n needed to construct a 90?%confidence interval to estimate the population proportion for thefollowing sample proportions when the margin of error equals8?%.

a. p over bar equals 0.10

b. p over bar equals 0.20

c. p over bar equals 0.30

Click the icon to view a table of standard normal cumulativeprobabilities.

Answer & Explanation Solved by verified expert
4.2 Ratings (643 Votes)
Solution Given thata 0101 1 010 090margin of error E 8 008At 90    See Answer
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