Solved: Standard deviation of the count of calls, Basic Statistics

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Standard deviation of the count 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: Standard deviation of the count of calls

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: Standard deviation of the count of calls

Reference No:- TGS0685049

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : Game of parcheesi

Q : What percent take between given hours to erect a barn

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Q : Construct an oc curve for the data

Q : Standard deviation of the count of calls

Q : Rural people on the basis of the sample data

Q : What percent success expect-golfer putting from distance

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: Standard deviation of the count of calls

Reference No:- TGS0685049

Recent Questions Asked Basic Statistics

Q : Game of parcheesi

Q : What percent take between given hours to erect a barn

Q : Determine the value of beta

Q : Construct an oc curve for the data

Q : Standard deviation of the count of calls

Q : Rural people on the basis of the sample data

Q : What percent success expect-golfer putting from distance

Q : Does the salespersons claim appear valid

Q : Describe shape of sampling distrubution of sample mean

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