An archer is able to hit a bull's-eye 81% of the time. Assume each shot is independent of the others. Suppose this archer shoots 10 arrows. Complete parts a through e below.
a) Find the mean and standard deviation of the number of bull's-eyes she may get.
The mean is _____
b) What is the probability that she never misses?
c) What is the probability that there are no more than 8 bull's-eyes?
d) What is the probability that there are exactly 8 bull's-eyes?
e) What is the probability that she hits the bull's-eye more often than she misses?
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