Question: A telemarketer makes random phone calls at a call center to try and generate interest on a particular product. The probability of getting a call-back

A telemarketer makes random phone calls at a call center to try and generate interest on a particular product. The probability of getting a "call-back" on any given call is known to be 6%. What is the probability: a. the telemarketer gets his first callback on his 8 try? b. the telemarketer has 10 no call-backs before his first call-back? c. the telemarketer gets his third call-back on his 10 try? d. The telemarketer gets 14 no call-backs before he gets his 4 callback? In addition, th e. Find the mean number of non call-backs before his 4 call-back.

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