A sample of size n=54 is drawn from a normal population whose standard deviation is o=5.4. The sample mean is x =41.53. Part: 0 / 2 Part 1 of 2 (a) Construct a 98% confidence interval for u. Round the answer to at least two decimal places. A 98% confidence interval for the mean is |

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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A sample of size n=54 is drawn from a normal population whose standard deviation is o=5.4. The sample mean is x =41.53.
Part: 0 / 2
Part 1 of 2
(a) Construct a 98% confidence interval for u. Round the answer to at least two decimal places.
A 98% confidence interval for the mean is <µ<
Transcribed Image Text:A sample of size n=54 is drawn from a normal population whose standard deviation is o=5.4. The sample mean is x =41.53. Part: 0 / 2 Part 1 of 2 (a) Construct a 98% confidence interval for u. Round the answer to at least two decimal places. A 98% confidence interval for the mean is <µ<
Part 2 of 2
(b) If the population were not approximately normal, would the confidence interval constructed in part (a) be valid? Explain.
The confidence interval constructed in part (a) (Choose one) ▼ be valid since the sample size
(Choose one) ▼ large.
Transcribed Image Text:Part 2 of 2 (b) If the population were not approximately normal, would the confidence interval constructed in part (a) be valid? Explain. The confidence interval constructed in part (a) (Choose one) ▼ be valid since the sample size (Choose one) ▼ large.
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