Posted by **Mickie** on Monday, June 18, 2012 at 11:43am.

For Tommy Bench, a minor league pitcher, the times between pitches are normally distributed with a mean of 36 seconds and a standard deviation of 2.5 seconds. If Bench performs 50 pitches, how many of them (to the nearest whole number) do you expect to have times-between-pitches to be longer than 40 seconds?

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