Refer to Example 9 8 a Use the method given in Example 9 8 to calculate the power of the test of H 0 880 versus H a 880 when n 30 and the true value of is 870 tons b Repeat part a using n 70 and 870 tons c Use the Power of a z Test applet to verify your hand calculated results in parts a and b d Wh...

a In Example 98 the critical values of x that specify the acceptance region were found to be 87418 a ...

Refer to Example 9.8. a. Use the method given in Example 9.8 to calculate the power of

Question:

Refer to Example 9.8.

a. Use the method given in Example 9.8 to calculate the power of the test of

H₀: μ = 880 versus H_a: μ = 880

when n = 30 and the true value of μ is 870 tons.

b. Repeat part a using n = 70 and μ = 870 tons.

c. Use the Power of a z-Test applet to verify your hand-calculated results in parts a and b.

d. What is the effect of increasing the sample size on the power of the test?

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Introduction To Probability And Statistics

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13th Edition

Authors: William Mendenhall, Robert J. Beaver, Barbara M. Beaver

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Refer to Example 9.8. a. Use the method given in Example 9.8 to calculate the power of

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a In Example 98 the critical values of x that specify the acceptance region were found to be 87418 a...View the full answer

Introduction To Probability And Statistics

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