(a) What kind of test should be used? A. One-Tailed B. Two-Tailed C. It does not matter.
(b) The test statistic is (rounded to 2 decimals).
(c) The P-value is
(d) Is there sufficient evidence to support the claim that people do better than 75 on this exam? A. No B. Yes
(e) Construct a % confidence interval for the mean score for students using the new text.
You can earn partial credit on this problem.