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The amount of time between taking a pain reliever and getting relief is normally distributed with...

The amount of time between taking a pain reliever and getting relief is normally distributed with a mean of 25 minutes and a standard deviation of 6 minutes. Find the probability that the time between taking the medication and getting relief is as follows. (Round your answers to four decimal places.)

(a) at least 32 minutes


(b) at most 21 minutes

math   Statistics-And-Probability   
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