Problem 903

For the study described below, identify the sample.

A bank manager wants to know the average amount of time customers of his bank have to wait in line. 400 customers were polled and asked their average wait time at the bank. 35 of the 400 were extremely dissatisfied with the amount of time they had to wait in line in recent months.

 

Solution:-

 

The 400 customers polled.

 

 

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