A survey shows that the time spent in a checkout line in a certain supermarket has an exponential density function with mean 5 minutes. What is the probability of spending 10 minutes or more in a checkout line? Enter just a real number rounded off to two decimal places.

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The Answer of A survey shows that the time spent in a checkout line in a certain supermarket has an exponential density function with mean 5 minutes. What is the probability of spending 10 minutes or more in a checkout line? Enter just a real number rounded off to two decimal places.

A Survey Shows That the Time Spent in a Checkout