Plastichem manufactures plastic drums which are normally distributed with mean diameter of 12 inches and standard deviat

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Plastichem manufactures plastic drums which are normally distributed with mean diameter of 12 inches and standard deviat

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Plastichem Manufactures Plastic Drums Which Are Normally Distributed With Mean Diameter Of 12 Inches And Standard Deviat 1
Plastichem Manufactures Plastic Drums Which Are Normally Distributed With Mean Diameter Of 12 Inches And Standard Deviat 1 (81.32 KiB) Viewed 14 times
Plastichem manufactures plastic drums which are normally distributed with mean diameter of 12 inches and standard deviation of 5 inches. If the total production is 20,000 units then how many are expected to be: i) ii) iii) Greater than 17 inches Less than 8 inches In between 9 inches to 14 inches in diameter.
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