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# Question 1 of 7 (1 point) Attempt 1 of 1 View question in a pour och... Question 1 of 7 (1 point) Attempt 1 of 1 View question in a pour och 30m Remaining 8.1 Section Exercise 33-36 A sample of size n=63 is drawn from a population whose standard deviation is o - 48. co Part 1 of 2 (a) Find the margin of error for a 95% confidence interval for J. Round the answer to at least three decimal places. The margin of error for a 95% confidence interval for u is Part 2 of 2 (b) If the sample size were n-52, would the margin of error be larger or smaller? (Choose one) because the sample size is (Choose one)  #### Earn Coins

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• ### Question 1 of 13 (1 point) Attempt 1 of Unlimited View question in a popup 8.1... Question 1 of 13 (1 point) Attempt 1 of Unlimited View question in a popup 8.1 Section Exercise A sample of size n=74 is drawn from a normal population whose standard deviation is o=7.2. The sample mean is x =43.56. Part 1 of 2 (a) Construct a 99.8% confidence interval for u. Round the answer to at least two decimal places. A 99.8% confidence interval for the mean is <u< . Part 2 of 2 (b) If the population were...

• ### A sample of size n=95 is drawn from a population whose standard deviation iso = 38.... A sample of size n=95 is drawn from a population whose standard deviation iso = 38. Part 1 of 2 (a) Find the margin of error for a 90% confidence interval for u. Round the answer to at least three decimal places. The margin of error for a 90% confidence interval for p is Part 2 of 2 (b) If the sample size were n = 62, would the margin of error be larger or smaller? (Choose one) , because...

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• ### A population has standard deviation o-17.3. al. Part 1 of 2 1 (a) How large a... A population has standard deviation o-17.3. al. Part 1 of 2 1 (a) How large a sample must be drawn so that a 95% confidence interval for u will have a margin of error equal to 4.5? 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 95% confidence interval with a margin of error equal...

• ### A sample of size π=95 is drawn from a population whose standard deviation is σ=27.

A sample of size π=95 is drawn from a population whose standard deviation is σ=27. Part 1 of 2 (a) Find the margin of error for a 99% confidence interval for H. Round the answer to at least three decimal places. The margin of error for a 99% confidence interval for u is _______ . Part 2 of 2 (b) If the confidence level were 90%, would the margin of error be larger or smaller?

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