(a) Approximate the probability that the average test score in the class of size 64 exceeds 65. Probability
(b) Repeat part (a) for the class of size 36. Probability
(c) Approximate the probability that the average test score in the larger class exceeds that of the other by more than 2.6 points. Probability
(d) Approximate the probability that the average test score in the smaller class exceeds that in the other by more than 2.6 points. Probability
You can earn partial credit on this problem.