Juan has less game apps on his smart phone than the sum of the apps on the phones of Mark and Sean. Mark has thirty-five apps, and Sean has thirty-one apps. Which inequality represents the number of apps on Juan's phone? A. J > 35 B. J < 31 C. J > 66 D. J < 66

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