a) It will be narrower b) It will be wider c) It will not change Construct the requested confidence interval. 13. An article estimates, with 90% confidence, that the proportion of elementary school...

Extracted text: a) It will be narrower b) It will be wider c) It will not change Construct the requested confidence interval. 13. An article estimates, with 90% confidence, that the proportion of elementary school teachers who are female is 82%. The article also states the maximum error of their estimate is 3%. Determine the resulting 90% confidence interval for the proportion of elementary school teachers who are female. a) (82%, 85%) b) (79%, 82%) c) (80.5%, 83.5%) d) (87%, 93%) e) (79%, 85%) Construct the requested confidence interval. 14. In a random sample of 60 computers, the mean repair cost was $150 with a standard deviation of $36.