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Assignment help 398

HW 11 Question 14: A college admissions officer takes a simple random sample of 100 entering freshman and computes their mean mathematics SAT score to be 458. Assume the population standard deviation is 116. Use this information to answer question. Compare the 95% confidence interval to the 99% confidence interval. Explain the difference between the two intervals.

A.The 99% confidence interval is wider than the 95% conficence interval

B. The 95% and 99% confidence intervals are of the same width

C. The 95% confidence interval is weder than the 99% confidence interval


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