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John's commute time to work during the week follows the normal probability distribution with a mean time of 26.7 minutes and a standard deviation of

John's commute time to work during the week follows the normal probability distribution with a mean time of 26.7 minutes and a standard deviation of 5.1 minutes. What is the probability that the commute time for a randomly selected day will be less than 18 minutes?

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0.0778

0.1271

0.0436

0.2236

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