SOLUTION: Suppose the amount of time it takes a popcorn kernel to pop is normally distributed with a mean of 150 seconds and a standard deviation of 15 seconds. If a popcorn kernal is rando

Question 358602: Suppose the amount of time it takes a popcorn kernel to pop is normally distributed with a mean of 150 seconds and a standard deviation of 15 seconds. If a popcorn kernal is randomly selected, what is the probability that it takes between 130 seconds to 170 seconds for the kernal to pop?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the z-score.

Then find and .
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