Answer to Question #87852 in Python for James Joyce

Question

The telephone system of a travel agency is occupied 60% of the time.
a) (4) What is the probability that if 15 people call the agency, at least 12 of them get their calls answered.
b) (6) What is the probability that if 15 people call the agency, at least 8 but no more than 11 get their calls answered.
c) (6) Find the probability of needing more than 8 attempts in total so that three people will answer their calls.

Answer 1

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