Mathematics
Mathematics, 28.10.2020 03:30, kennedy3076

A population has standard deviation g = 17.2. Part 1 of 2
(a) How large a sample must be drawn so that a 99.8% confidence interval for I will have a margin of error equal to 3.8?
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 99.8% confidence interval with a margin of error equal to
3.8.
Part 2 of 2
(b) If the required confidence level were 80%, would the necessary sample size be larger or smaller?
(Choose one) because the confidence level is (Choose one)
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answer
Answers: 1

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A population has standard deviation g = 17.2. Part 1 of 2
(a) How large a sample must be draw...

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