It Is Desired to Test $\mathrm { H } _ { 0 } : \mu = 50$

question 90

Multiple Choice

It is desired to test $\mathrm { H } _ { 0 } : \mu = 50$ against $\mathrm { H } _ { \mathrm { A } } : \mu \neq 50$ using $\alpha = 0.10$ . The population in question is uniformly distributed with a standard deviation of 15 . A random sample of 49 will be drawn from this population. If $\mu$ is really equal to 45 , what is the power of the test?

• A) 0.8959
• B) 0.7544
• C) 0.2456
• D) 0.1041

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Schopenhauer's Metaphysics

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Kant

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