Test of Hypothesis: Type of error, Alpha, Mu vs u
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I am wondering if mu is the same thing as u. I have two questions on a worksheet due (I have the others answered already) and I'm not finding mu in my book.
1. If Ho: u=30 and Ha: mu>30 and x=34.7 what type of error is made if real values mu=32 and x =33?
2. If Ho: u=50 and Ha: mu. 59 and sigma = 10 what is alpha if x exceeds 56 for n=49?
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Solution Summary
The expert examines the test of hypothesis of type of errors, alpha, and mu versus u.
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The Greek letter mu (μ) looks a lot like the English letter "u." This, I believe is the source of the confusion. There should be no "u" in the problem at all, only a (μ). A population usually has a true mean (μ) that we are trying to estimate. To estimate this true mean, we must take a bunch of ...
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