Provide an appropriate response. 12) Determine the point estimate of the population mean and margin of error for the confidence interval with lower bound 17 and upper bound: 39.

Q: If n=380 and p^(p-hat) =0.12, find the margin of error at a 95% confidence level Give your answer…

A: Given data: n = 380  p^(p-hat) =0.12, To find : The margin of error at a 95% confidence level

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A: The 95% confidence interval is obtained as (97, 105).

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Q: 13, ¤(x-bar)=39, and s=16, construct a confidence interval at a 90% confidence level. Assume the…

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A: Given : For Sample 1 x̄1 = 3.11 n1 = 12

Q: If we want a 96% confidence interval on population mean with a sample size of 23, find zα2 or tα2

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Q: Use the given confidence interval to find the margin of error and the sample mean.  (4.81, 8.09)

A: The confidence interval is given by (4.81, 8.09)

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Q: d) Provide the appropriate interpretation for the confidence interval.

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A: Given: Lower bound = 29 Upper bound = 39

Q: for a sample size of 12 and a 90% confidence interval, the t statistic used to estimate U would be.

A: Given: Sample size = 12 Confidence interval= 90%

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A:

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A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…