**The normal probability distribution**

Steel rods are manufactured with a mean length of 30 centimeter because of variability in the manufacturing process the lengths of the ends are a normally distributed with a standard deviation of 0.07cm. A. What proportion rods has a length less than 29.9cm.? B. Any rods that are shorter than 29.86cm. or longer than 30.14cm. are discarded.what proportion of rods will be discarded? Using the results of part B if 5000 rods are manufactured in a day how many should the plant manager expect to discard? D. If an order comes in for 10,000 steel rods how many rods should the plant manager expect to manufacture if the order states that all rods must be between 29.9 and 30.1?

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##### Upload Date: 12/02/2017

This 123 words question was answered by Colleen R. on StudySoup on 12/02/2017. The question contains content related to Statistics and Math. Since its upload, it has received 118 views.