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An investment advisor reads in the the wall street journal that 47% of US retirees agree that they have built a large enough nest egg

An investment advisor reads in the the wall street journal that 47% of US retirees agree that they have built a large enough nest egg for retirement. A local bank wants to know whether the percentage among its customers is also 47%. In a sample of 72 local retirees, 36 agree that they have built a large enough nest egg. Use this sample to test the appropriate hypothesis. give the value of the test statistic

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