Scott purchased men’s sports coats for $75 each and sold them for $178 each. Find the markup on retail to the nearest whole percent. A. 58%
B. 56%
C. 53%
D. 55%

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3