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 $\sigma$² = 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]

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The Answer of 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 $\sigma$² = 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]

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

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