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A commuter airline receives an average of 2.3 complaints per day from its passengers. Find the...

A commuter airline receives an average of 2.3 complaints per day from its passengers. Find the probability that this airline will receive (a) exactly 5 complaints over a single day. (b) at least 2 complaints over a single day. (c) 3 or 4 complaints over 2 days.

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