Still more arrows. Suppose the archer from Exercise 58 shoots 10 arrows.

a) Find the mean and standard deviation of the number of bull’s-eyes she may get.

b) What’s the probability that she never misses?

c) What’s the probability that there are no more than 8 bull’s-eyes?

d) What’s the probability that there are exactly 8 bull’seyes?

e) What’s the probability that she hits the bull’s-eye more often than she misses?