Question: Please answer on paper and not in the text box, it's so confusing that way:/ 4. (6 pts) Psychology 231 can be taken as an

Please answer on paper and not in the text box, it's so confusing that way:/

4. (6 pts) Psychology 231 can be taken as an online course on a pass / fail basis. Long experience with this course shows that about 71% of the students pass. This semester 88 students are taking Psychology 231 online. Let r be a random variable that represents the number of students that will pass. The Psychology Department wants a probability distribution for r. a. Estimate P( , 2 60). b. Estimate P(GO s/ $ 70)

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