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

Question 71

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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 90 percent confidence interval for . A) [73.19 76.81] B) [51.74 98.26] C) [72.67 77.33] D) [67.50 82.50] = 75 lbs. ,but we know that σ\sigma 2 = 100 lbs.Calculate a 90 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 90 percent confidence interval for . A) [73.19 76.81] B) [51.74 98.26] C) [72.67 77.33] D) [67.50 82.50] .


A) [73.19 76.81]
B) [51.74 98.26]
C) [72.67 77.33]
D) [67.50 82.50]

Correct Answer:

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