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 95 percent confidence interval for . A)[71.25 78.75] B)[72.23 77.77] C)[47.28 102.72] D)[72.67 77.33]

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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 95 percent confidence interval for . A)[71.25 78.75] B)[72.23 77.77] C)[47.28 102.72] D)[72.67 77.33]

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