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The Weight of a Product Is Measured in Pounds

Question 4

Multiple Choice

The weight of a product is measured in pounds.A sample of 50 units is taken from a batch.The sample yielded The weight of a product is measured in pounds.A sample of 50 units is taken from a batch.The sample yielded = 75 lbs. ,and we know that σ<sup>2</sup> = 100 lbs.Calculate a 95 percent confidence interval for μ. A) [71.25,78.75] B) [72.23,77.77] C) [47.28,102.72] D) [72.67,77.33] = 75 lbs. ,and we know that σ2 = 100 lbs.Calculate a 95 percent confidence interval for μ.


A) [71.25,78.75]
B) [72.23,77.77]
C) [47.28,102.72]
D) [72.67,77.33]

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