Question: A random sample is taken to test the null hypothesis If15 out of a random sample of 20 satisfied the criteria the value of the

  1. A random sample is taken to test the null hypothesis

  1. If15 out of a random sample of 20 satisfied the criteria the value of the test statistic is closest to:

z= 0.516

z = 0.488

z = 0.546

z = 0.577

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