Answers: 2
Mathematics, 21.06.2019 21:50
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. (a) what is the expected number of calls among the 25 that involve a fax message?
Answers: 1
Mathematics, 22.06.2019 04:10
If jobs arrive every 15 seconds on average, what is the probability of waiting more than 30 seconds?
Answers: 3
Please help me 15 points
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