Mathematics, 20.06.2020 04:57 jaileen84
A consumer products company is formulating a new shampoo and is interested in foam height (in mm). Foam height is approximately normally distributed and has a standard deviation of 20 mm. The company wishes to test H0: μ = 175 mm versus H1: μ > 175 mm, using a random sample of n = 10 samples.
a) find the type I error probability α if the critical region is x bar >185.
b) what is the probability of type II error if the true mean foam height is 200 mm?
c) what is the power of the test from part (b)?
Answers: 3
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A consumer products company is formulating a new shampoo and is interested in foam height (in mm). F...
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