Question: A rod meets its specifications if its diameter is between 0.98 and 1.02 inches. The mean diameter of a rod is 1 inch. What should

A rod meets its specifications if its diameter is between 0.98 and 1.02 inches. The mean diameter of a rod is 1 inch. What should the standard deviation of rods equal for 99 percent of rods to meet the specifications?

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