The following is a 99% confidence interval for p: (0.26, 0.54). How large was the sample used to construct this interval?

**Solution: **The center of the interval corresponds to the sample proportion:

_{}

This means that

_{}

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The following is a 99% confidence interval for p: (0.26, 0.54). How large was the sample used to construct this interval?

**Solution: **The center of the interval corresponds to the sample proportion:

_{}

This means that

_{}

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