For each of the following situations, tell whether the two probabilities should be equal:
a. The probability of a student going out at least two evenings in a week, and the probability of going out more than two evenings in a week
b. The probability that the mean number of evenings out for all 12th-graders is at least 2, and the probability that the mean number of evenings out for all 12thgraders is more than 2
c. The probability that a mallard duck weighs less than 500 grams, and the probability that a mallard duck weighs no more than 500 grams
d. The probability that more than one-third of all high school seniors cut classes at least once in a month, and the probability that at least one-third of all high school seniors cut classes at least once in a month