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12. In a simple random sample of size 150, there were 90 individuals in the category of interest. a. Compute the sample proportion p. b.

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12. In a simple random sample of size 150, there were 90 individuals in the category of interest. a. Compute the sample proportion p. b. Are the assumptions for a hypothesis test satisfied? Explain. c. It is desired to test Ho: p = 0.5 versus H1: p > 0.5. Compute the test statistic z. d. Do you reject Ho at the 0.05 level

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