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Assume that the time required to receive a confirmation that an electronic transfer has occurred is uniformly distributed between 30 and 90 seconds.
a. What is the probability that a randomly selected transfer will take between 30 and 45 seconds?
b. What is the probability that a randomly selected transfer will take between 50 and 90 seconds?
c. What proportion of transfers will take between 40 and 75 seconds? |
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