Find value of standardized statistic for sample proportion

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On the basis of past history, a car manufacturer knows that 10% (p = .10) of all newly made cars have an initial defect.

In a random sample of n = 100 recently made cars, 13% (P^ = .13) have defects. Find the value of the standardized statistic (z-score) for this sample proportion.

Reference no: EM131416926

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