The probability is 1 in 4,000,000 that a single auto trip inthe United States wi
ID: 2915633 • Letter: T
Question
The probability is 1 in 4,000,000 that a single auto trip inthe United States will result in a fatality. Over a lifetime, anaverage U.S. driver takes 50,000 trips.(a) What is the probability of a fatal accident over alifetime? Explain your reasoning carefully. Hint: Assumeindependent events. Why might the assumption of independence beviolated?
(b) Why might a driver be tempted not to use a seat belt“just on this trip”? The probability is 1 in 4,000,000 that a single auto trip inthe United States will result in a fatality. Over a lifetime, anaverage U.S. driver takes 50,000 trips.
(a) What is the probability of a fatal accident over alifetime? Explain your reasoning carefully. Hint: Assumeindependent events. Why might the assumption of independence beviolated?
(b) Why might a driver be tempted not to use a seat belt“just on this trip”?
Explanation / Answer
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