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Assuming independent arrivals with a mean of 2 5 arrivals per

Assuming independent arrivals with a mean of 2.5 arrivals per minute, nd the probability that in a given minute there will be

(a) Exactly 2 arrivals;

(b) At least 3 arrivals;

(c) Fewer than 4 arrivals.

(d) Which probability distribution did you use and why?

(a) Exactly 2 arrivals;

(b) At least 3 arrivals;

(c) Fewer than 4 arrivals.

(d) Which probability distribution did you use and why?

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