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In: Statistics and Probability

Greta had a cold over the weekend and forgot to study for the DMV knowledge test....

Greta had a cold over the weekend and forgot to study for the DMV knowledge test. All questions were multiple choice with 5 options. You need to get 80% of the questions correct in order to pass the test. If there were 35 questions on the DMV test that Greta randomly guessed, what is the probability that: a) I got at most 15 of the 35 questions correct? b) I guessed 80% or more of the questions correctly.(hint: how many questions would this be?)

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