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Solved: If a certain machine makes electrical resistors
Chapter 9, Problem 8.24(choose chapter or problem)
If a certain machine makes electrical resistors having a mean resistance of 40 ohms and a standard deviation of 2 ohms, what is the probability that a random sample of 36 of these resistors will have a combined resistance of more than 1458 ohms?
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QUESTION:
If a certain machine makes electrical resistors having a mean resistance of 40 ohms and a standard deviation of 2 ohms, what is the probability that a random sample of 36 of these resistors will have a combined resistance of more than 1458 ohms?
ANSWER:Q: If a certain machine makes electrical resistors having a mean resistance of 40 ohms and astandard deviation of 2 ohms, what is the probability that a random sample of 36 of theseresistors will have a combined resistance of more than 1458 ohms Step By Step Solution:Step 1 of 2:Given:Sample mean:Sample standard deviation:Number of observations:Standard error: