Mathematics, 11.05.2021 19:10 yayaeli

A) How large a sample must be drawn so that a 90% confidence interval for u will have a margin of error equal to 3.4? Round the critical value to no less than three decimal places.
Round the sample size up to the nearest integer.

A sample size of
is needed to be drawn in order to obtain a confidence interval with a margin of error equal to 3.4

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A) How large a sample must be drawn so that a 90% confidence interval for u will have a margin of er...