Calendar Gradebook > Assessment Timelimit: 60 minutes. 49:38 remaining. [x] Show

Question

Calendar Gradebook > Assessment Timelimit: 60 minutes. 49:38 remaining. [x] Show Intro/Instructions Suppose (35,40) is a 95% confidence interval estimate for a population mean ?. Which of the following are true statements? I. There is a .95 probability that p is between 35 and 40 11. If 100 random samples of the given size are picked and a 95% confidence interval is calculated from each, then ? will be in 95 of the resulting intervals. 111. If 95% confidence intervals are calculatet from all possible samples of the given size, ? will be in 95% of these intervals. I and II I and III II and III .I, II, and III None of the above gives the complete set of true responses. License Points possible: 10 This is attempt 1 of 2. Message instructor about this question Submit

Explanation / Answer

There is a 0.95 probability that mu is between 35 and 40.

If repeated samples were taken and the 95% confidence interval computed for each sample, 95% of the intervals would contain the population mean. Naturally, 5% of the intervals would not contain the population mean.

Hence statement I and III are correct

Option B.

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