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The Weight of a Product Is Measured in Pounds σ\sigma 2 = 100 Lbs

Question 54

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The weight of a product is measured in pounds.A sample of 50 units is taken from a batch.The sample yielded the following results: The weight of a product is measured in pounds.A sample of 50 units is taken from a batch.The sample yielded the following results: = 75 lbs. ,but we know that \sigma <sup>2</sup> = 100 lbs.Calculate a 99 percent confidence interval for . A) [71.36 78.64] B) [74.25 75.75] C) [38.58 111.42] D) [71.71 78.29] = 75 lbs. ,but we know that σ\sigma 2 = 100 lbs.Calculate a 99 percent confidence interval for The weight of a product is measured in pounds.A sample of 50 units is taken from a batch.The sample yielded the following results: = 75 lbs. ,but we know that \sigma <sup>2</sup> = 100 lbs.Calculate a 99 percent confidence interval for . A) [71.36 78.64] B) [74.25 75.75] C) [38.58 111.42] D) [71.71 78.29] .


A) [71.36 78.64]
B) [74.25 75.75]
C) [38.58 111.42]
D) [71.71 78.29]

Correct Answer:

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