Question: For a population data set, = 12.50. a. What should the sample size be for a 98% confidence interval for to have a margin of

For a population data set,= 12.50.

a.What should the sample size be for a 98% confidence interval forto have a margin of error of estimate equal to 5.50?

n=

b.What should the sample size be for a 95% confidence interval forto have a margin of error of estimate equal to 4.93?

n=

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