mcmrie3722 mcmrie3722

22-05-2023
Mathematics

contestada

A test with hypotheses H0:μ=5, Ha:μ<5, sample size 36, and assumed population standard deviation 1.2 will reject H0 when x¯<4.67. What is the power of this test against the alternative μ=4.5?
A. 0.8023
B. 0.5715
C. 0.9993
D. 0.1977

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