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.
We have for given example,
Population proportion value is =0.63
Estimate for sample proportion
Z test statistic formula for proportion
|Z test statistic = -1.52|
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