The point estimate for the difference between the two population means is 0.5. Find the test statistic.

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Q: P(- c ≤ Z ≤ c)=0.9399

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Q: Suppose that x has a hypergeometric distribution with N = 10, r = 4, and n = 3. (b) Find the mean…

A: Given that  N = 10, r = 4, and n = 3 Mean = μx = n * r / N = 3 * 4 / 10 = 1.2

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Q: Refer to Exhibit 9-31. The test statistic equals O 1.493 1.2 O-1.493 O 1.2

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Q: Can you explain the hypothesis?

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