# the amount of time it takes to recover physiologically from a certain kind of sudden noise

**Question description**

the amount of time it takes to recover physiologically from a certain kind of sudden noise is found to be normally distributed with a mean of 80 seconds and a standard deviation of 10 seconds. Using the 50%–34%–14% figures what is the longest time to recover that a person can take and still be in the bottom a) 2% b)16% c) 50% d) 84% e) 98%

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