The repair time (in hours) for a certain machine is a random variable with probability density function
a. What is the probability that the repair time is less than 2 hours?
b. What is the probability that the repair time is between 1.5 and 3 hours?
c. Find the mean repair time.
d. Find the cumulative distribution function of the repair times.
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Fill in the blank(s) with the appropriate word(s).
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