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Mathematics, 23.10.2019 20:00 lexusdixon3

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (round your answers to three decimal places.) (a) what is the probability that at most 8 of the calls involve a fax message? (b) what is the probability that exactly 8 of the calls involve a fax message? (c) what is the probability that at least 8 of the calls involve a fax message? (d) what is the probability that more than 8 of the calls involve a fax message?

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