Mathematics, 20.06.2020 16:57 HyperT1676

The time spent waiting in the line is approximately normally distributed. The mean waiting time is 7 minutes and the variance of the waiting time is 9. Find the probability that a person will wait for more than 3 minutes. Round your answer to four decimal places.

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The time spent waiting in the line is approximately normally distributed. The mean waiting time is 7...

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