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A sample of 11 circuits from a large normal population has a mean resistance of 2.20...

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Basic Math

A sample of 11 circuits from a large normal population has amean resistance of 2.20 ohms. We know from past testing that thepopulation standard deviation is 0.35 ohms.

1. Determine a 95% confidence interval for the true meanresistance of the population.

2. In part 1 above, do you need any assumptions, if yes what, ifno why.

Answer & Explanation Solved by verified expert
4.2 Ratings (648 Votes)
1 Level of Significance 005 z value z 2 19600 Excel    See Answer
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