Mean number of calls, When an opinion poll calls residential telephone numbers at, Basic Statistics

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Mean number of calls

When an opinion poll calls residential telephone numbers at random, only 20% of the calls reach a live person. You watch the random digit dialing machine make 15 calls.

a) What is the mean number of calls that reach a person?

b) What is the standard deviation of the count of calls that reach a person?

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Basic Statistics: Mean number of calls

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Basic Statistics: Mean number of calls

Reference No:- TGS0844637

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Recent Questions Asked Basic Statistics

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