Question: The time between failures for the Xbox is exponentially distributed with a mean of 40 months. What is the probability that the next failure will

The time between failures for the Xbox is

The time between failures for the Xbox is exponentially distributed with a mean of 40 months. What is the probability that the next failure will not occur before 4 years have elapsed? Hint: convert years to months in excess of .6 in excess of .4 but not in excess of .6 not in excess of .2 in excess of .3 but not in excess of .4 in excess of .2 but not in excess of .3

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