11. The lower limit of a 95% confidence interval for the population proportion P given a...

11. The lower limit of a 95% confidence interval for the population proportion P given a sample size n = 100 and sample proportion P̂ = 0.62 is equal to: Show your calculations. Show your calculations.

A. 0.699

B. 0.525

C. 0.440

D. 0.715

12. The 95% confidence interval for the population proportion P, given a sample size n = 2200 and sample proportion P̂ = 0.214 is computed as: Show your calculations. Show your calculations.

A. 0.214 ± 0.017

B. 0.214 ± 0.086

C. 0.214 ± 0.048

D. 0.214 ± 0.069

Expert Solution

Solution:

1) 95% lower confidence interval is 0.525

2) 95% Confidence interval is: 0.214 ± 0.017

orchestra answered 1 year ago

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