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#1 Re: Help Me ! » Probability - permutation without repetition, with a twist » 2008-06-14 09:16:59

Wildbill

The probability is 1 in 4,000,000 that a single auto trip in the US results in a fatality. Over a lifetime, the average US driver takes 50,000 trips.
What is the probability of a fatal accident over a lifetime?

I am not sure as to what formula to use for this. Can you help me out please?

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