# Question

If the number of complaints a dry-cleaning establishment receives per day is a random variable having the Poisson distribution with λ = 3.3, what are the probabilities that it will receive

(a) 2 complaints on any given day;

(b) 5 complaints altogether on any two given days;

(c) At least 12 complaints altogether on any three given days?

(a) 2 complaints on any given day;

(b) 5 complaints altogether on any two given days;

(c) At least 12 complaints altogether on any three given days?

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