Survey calls residential telephone, Basic Statistics

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Survey calls residential telephone

When a survey calls residential telephone numbers at random, only 24% of the calls reach a live person. You watch the random dialing machine make 20 calls.

(a) What is the probability that exactly 4 calls reach a person?

(Use 3 decimal places.)

(b) What is the probability that 4 or fewer calls reach a person?

(Use 3 decimal places.)

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Basic Statistics: Survey calls residential telephone

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Basic Statistics: Survey calls residential telephone

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Recent Questions Asked Basic Statistics

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Basic Statistics: Survey calls residential telephone

Reference No:- TGS0750694

Recent Questions Asked Basic Statistics

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