Suppose you want to test H0: m = 2,000 against Ha: m 7 2,000, using a =

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Suppose you want to test H0: m = 2,000 against Ha: m 7 2,000, using a = .05. The population in question is normally distributed with standard deviation 140. A random sample of size n = 49 will be used.

a. Specify the role of x in this problem.

b. Find the value of x0, that value of x above which the null hypothesis will be rejected.

c. What will be the value of z when m = 2,020?

d. Find b.

e. Compute the power of this test for detecting the alternative Ha: m = 2,020.

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Statistics Plus New Mylab Statistics With Pearson Etext Access Card Package

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Question Posted: Jul 19, 2024 06:05 PM

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Suppose you want to test H0: m = 2,000 against Ha: m 7 2,000, using a =

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Statistics Plus New Mylab Statistics With Pearson Etext Access Card Package

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