4. (8 marks) Telus is a Canadian telecommunications company. Customer service calls that arrive at a Telus call-center follow a Poisson distribution with a rate of 2.5 calls per minute. a. b. C. The mean number of calls per minute is 2.5 calls. Interpret, in terms of repeated sampling, the meaning of this value. Obtain the probability that two or more calls arrive in a minute. Obtain the probability that exactly twelve calls arrive in a ve-minute interval. Consider 5 consecutive ve-minute intervals. Compute the probability twelve calls arrive in 3 of the 5 ve-minute intervals