Question: Continuation of Exercise 5-102 (a) What is the conditional distribution of the number of calls requiring five rings or more given that eight calls are

Continuation of Exercise 5-102
(a) What is the conditional distribution of the number of calls requiring five rings or more given that eight calls are answered in two rings or less?
(b) What is the conditional expected number of calls requiring five rings or more given that eight calls are answered in two rings or less?
(c) Are the number of calls answered in two rings or less and the number of calls requiring five rings or more independent random variables?

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