Question: In a previous example in an earlier chapter we learned that Jeri, a serious student, had a probability of 0.85, either through her knowledge or

In a previous example in an earlier chapter we learned that Jeri, a serious student, had a probability of 0.85, either through her knowledge or guessing, of correctly answering any individual multiple choice question. If Jeri wrote a 100-question multiple-choice exam, estimate the probability that she would a. Score at least 80 on this exam (for a grade of A). b. Score at least 70 but less than 80 on this exam (for a grade of B)

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