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A publisher reports that 63% of their readers own a personal computer. A marketing executive wants...

A publisher reports that 63% of their readers own a personal computer. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 110 found that 56% of the readers owned a personal computer. Find the value of the test statistic. Round your answer to two decimal places.

Math   Statistics-And-Probability   
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Answer #1

We have for given example,              
Population proportion value is =0.63          
      
              
n=110          
      
Estimate for sample proportion
              
Z test statistic formula for proportion              


=-1.52      

Z test statistic = -1.52
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