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QUESTION
The life of a new type of light bulb is uniformly distributed between 1,200 and 1,600 hours. Show your calculations.
The life of a new type of light bulb is uniformly distributed between 1,200
and 1,600 hours. Show your calculations.
a. The probability is 70% that a randomly-selected light bulb will last at least how long?
b. What is the probability that a randomly-selected light bulb burns out in less than 1,500
