Question

Q7. The tensile strength of a certain metal component is normally distributed with a mean of 10000 kilometers per square centimeter and a standard deviation of 100 kilograms per square centimeter. (a) What proportion of these components are less than 10020 kilograms per square centimeter in tensile (b) What proportion of these components are between 9950 and 10100 kilograms per square centimeter in (c) If specifications require that all components have tensile strength between 9900 and k kilograms per strength? tensile strength? square centimeter inclusive and 79.77 percent of the proportion of pieces would we expeet to scrap. determine the value of k

Answer 1