An Olympic archer is able to hit a bulls-eye 80% of the time. Assume each shot...

An Olympic archer is able to hit a bulls-eye 80% of the time. Assume each shot is independent of the others. If she shoots 7 arrows, what is the probability of each result described below? a. What is the expected number of bulls-eyes for the 7 attempts? b. What is the standard deviation? c. She gets at least 4 bulls-eyes? d. Make a histogram showing the probability that r = 0, 1, 2, 3, 4, 5, 6, 7 bulls-eyes?

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orchestra answered 1 year ago

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