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The number of hours a 100 watt bulb will operate before burning out is approximately normally distributed with standard deviation σ=50.
a. if the mean µ=900, what is the probability that a light bulb will burn out in less than 966 hours of use?
Statistics and Probability, Statistics
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An important part of the customer service responsibilities of a cable company relates to the speed with which trouble in service can be repaired. Historically, the data show that the likelihood is 0.75 that troubles in a ...
Someone reasons that when a coin is tossed, there are three possible outcomes: it comes up heads or tails or it lands on it edge. With three outcomes on each toss, the fundamental counting rule suggests that there are ni ...
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