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The diameter of holes for cable harness is known to have a standard deviation of 0.01...

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Statistics

The diameter of holes for cable harness is known to have astandard deviation of 0.01 in. A random sample of size 10 yields anaverage diameter of 1.5045 in. Use α=0.01 to:

a. Test the hypothesis that the true mean whole diameter equal1.5 in.

b. What sample size would be necessary to detect a true meanhole diameter of 1.505 in. with probability of at least 0.95?

c. What is the type II error if the true mean hole diameter is1.504 in.?

Answer & Explanation Solved by verified expert
3.8 Ratings (750 Votes)
It should be noted that as the sample size increases the    See Answer
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