17 The amount of time taken by a machine repair person to re

17. The amount of time taken by a machine repair person to repair a particular machine is a random variable with an exponential distribution with a mean of 1 hour. The repair persons employer pays the repair person a bonus of 2 whenever a repair takes less than 1/4 hours, and a bonus of 1 if the repair takes between 1/2 and 1/4 hours. Find the average bonus received per machine repaired (nearest .1). A) .3 B) .4 C) .5 D) .6 E) .7

Solution

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