A sample of size n = 54 is drawn from a normal population whose standard deviation is o = 8.2. The sample mean is x=35.29 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 Kµ< 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) would v be valid since the sample Size is v large.

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A sample of size n=54 is drawn from a normal population whose standard deviation is o = 8.2. The sample mean is x=35.29
Part 1 of 2
(a) Construct a 99.8% confidence interval for p. Round the answer to at least two decimal places.
A 99.8% confidence interval for the mean is
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) would
v be valid since the sample
size is
v large.
Transcribed Image Text:A sample of size n=54 is drawn from a normal population whose standard deviation is o = 8.2. The sample mean is x=35.29 Part 1 of 2 (a) Construct a 99.8% confidence interval for p. Round the answer to at least two decimal places. A 99.8% confidence interval for the mean is 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) would v be valid since the sample size is v large.
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