A population has standard deviation G = 17.1. Part 1 of 2 (a) How large a sample must be drawn so that a 98% confidence interval for μ will have a margin of error equal to 3.9? Round the critical value to no less than three decimal places. Round the sample size up to the nearest integer. A sample size of Part 2 of 2 (b) If the required (Choose one) ▼ is needed to be drawn in order to obtain a 98% confidence interval with a margin of error equal to 3.9 confidence level were 99.8%, would the necessary sample size be larger or smaller? because the confidence level is (Choose one) S do H

MATLAB: An Introduction with Applications
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A population has standard deviation G= 17.1.
Part 1 of 2
(a) How large a sample must be drawn so that a 98% confidence interval for μ will have
Round the critical value to no less than three decimal places.
Round the sample size up to the nearest integer.
A sample size of
Part 2 of 2
(Choose one)
margin of error equal to 3.9?
is needed to be drawn in order to obtain a 98% confidence interval with a margin of error equal to 3.9
(b) If the required confidence level were 99.8%, would the necessary sample size be larger or smaller?
, because the confidence level is (Choose one) ▼
X
S
X
S
allo
Transcribed Image Text:A population has standard deviation G= 17.1. Part 1 of 2 (a) How large a sample must be drawn so that a 98% confidence interval for μ will have Round the critical value to no less than three decimal places. Round the sample size up to the nearest integer. A sample size of Part 2 of 2 (Choose one) margin of error equal to 3.9? is needed to be drawn in order to obtain a 98% confidence interval with a margin of error equal to 3.9 (b) If the required confidence level were 99.8%, would the necessary sample size be larger or smaller? , because the confidence level is (Choose one) ▼ X S X S allo
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