A batch of bulbs have a mean life of 1000 hours. Only one bulb is used at a time, and after each bulb burns, it is replaced by another. What is the probability that two consecutive bulbs will last more than 3000 hours?
A batch of bulbs have a mean life of 1000 hours. Only one bulb is used at a time, and after each bulb burns, it is replaced by another. What is the probability that two consecutive bulbs will last more than 3000 hours?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:A batch of bulbs have a mean life of 1000 hours. Only one bulb is used at a time,
and after each bulb burns, it is replaced by another. What is the probability that
two consecutive bulbs will last more than 3000 hours?
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