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The time between unplanned shutdowns of a power plant has an exponential distribution with a mean...

The time between unplanned shutdowns of a power plant has an exponential distribution with a mean of 10 days. Find the probability that the time between two unplanned shutdowns is

a. less than 13 days.

b. more than 23 days.

c. less than 8 days.

a. The probability that the time between two unplanned shutdowns is less than 13 days is  . ​(Round to four decimal places as​ needed.) b. The probability that the time between two unplanned shutdowns is more than 23 days is . ​(Round to four decimal places as​ needed.) c. The probability that the time between two unplanned shutdowns is less than 8 days is . ​(Round to four decimal places as​ needed.)

Math   Statistics-And-Probability   
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