Which random variable would be most appropriate for the following situations: a.

Question

Which random variable would be most appropriate for the following situations: a. Number of photons received at a detector in a PET scanner. b. Number of active speakers in a collection of independent conversations. c. Lifetime of an integrated circuit device. d. Noise in a communication system, which many factors contribute to. Let N be the number of phone calls to a hotel front desk in a given time period. The receptionist is an avid reader, but is only allowed to read if there have been no calls for five minutes. Assume that there are 0.2 calls per minute. a. What is the probability that there are two calls in one minute? b. What is the average amount of time the receptionist can spend reading?

Explanation / Answer

3)

a. Number of photons received at a detector in a PET scanner.

b. Number of active speakers in a collection of independent conversations.

c. Lifetime of an integrated circuit device.

d. Noise in a communication system, which many factors contribute to.

Answers

a) Poisson

b) Binomial

c) Rayleigh

d) Gaussian

Please ask Q4 again

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