One hundred women were polled and 60 reported successfully - 6616

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Request Description

 One hundred women were polled and 60 reported successfully communicating an automobile problem to an auto repairman. A sample of 150 men had 95 reporting the same success. The value of the test statistic for a test of the equality of proportions is 

 

A.   -0.5319.

 

B.   -0.419.

 

C.   0.7293.

 

D.   0.2702.

Solution Description

One hundred women were polled and 60 reported successfully communicating an automobile problem to an auto repairman. A sample of 150 men had 95 reporting the same success. The value of the test statistic for a test of the equality of proportions is