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Assume that the time required to receive a confirmation that an electronic transfer has occurred is...

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?

Math   Statistics-And-Probability   
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Answer #1

Let X is a rndom variable shows the time required to receive a confirmation that an electronic transfer has occurred. The probability distribution of X is

(a)

The probability that a randomly selected transfer will take between 30 and 45 seconds is

(b)

The  probability that a randomly selected transfer will take between 50 and 90 seconds is

(c)

The  probability that a randomly selected transfer will take between 40 and 75 seconds is

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