**that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both will**

**fail? (b) Neither will fail? (c) One or the other will fail? Show all steps carefully." (Doane and Seward, 2007, p. 203)**

**"5.70 The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a***Hint: Assume independent*

**fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of**

**a fatal accident over a lifetime? Explain your reasoning carefully. **

**events. Why might the assumption of independence be violated? (b) Why might a driver be**

**tempted not to use a seat belt “just on this trip?" (Doane and Seward, 2007, p. 203)**

**Sharon**