Find the probability that none of the three bulbs in a
Chapter 24, Problem 24.5(choose chapter or problem)
Find the probability that none of the three bulbs in a traffic signal must be replaced during the first 1200 hours of operation if the probability that a bulb must be replaced is a random variable X with density f(x) = 6[0.25 - (x - 1.5)2] when 1 ~ x ~ 2 and fIx) = 0 otherwise. where x is time mea~ured in mUltiples of 1000 hours.
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