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To participate in a contest, you filled out a form where one of the entries required...

To participate in a contest, you filled out a form where one of the entries required your phone number. Since then, you’ve been getting spam calls at a rate of 3 calls per hour. Let T be a continuous random variable representing the amount of time until the next spam call.
(a) Which probability distribution would you choose to model T, the amount of time until the next call?

i. normal

ii. exponential

iii. uniform

(b) What is the probability you receive a call in the next half hour?

(c) What is the probability you wait at least 1.5 hours before the next call?

(d) What is your expected wait time?

Math   Statistics-And-Probability   
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