# Suppose the archer from Exercise 58 shoots 10 arrows. a) Find the mean and standard deviation of

## Question:

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’s-eyes?

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

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**Related Book For**

## Business Statistics

**ISBN:** 9780321925831

3rd Edition

**Authors:** Norean Sharpe, Richard Veaux, Paul Velleman