et z denote a random variable having a normal distribution with ? = 0 and ? = 1. Determine each of the following probabilities. (Round your answers to four decimal places.) P(−0.87 < z < −0.50) = P(−0.50 < z < 0.87) = P(z > −1.15) = P(z < −1.40 or z > 2.40) =

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Q: Q3: PVC pipe is manufactured with a mean diameter of 1.01 inch and a standard deviation of 0.003…

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Q: PVC pipe is manufactured with a mean diameter of 1.01 inch and a standard deviation of 0.003 inch.…

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