Landen spent L hours at the beach last weekend. Matéo spent 15%, percent fewer hours at the beach than Landen did. Which of the following expressions could represent how many hours Matéo spent at the beach last weekend?
Choose 2 answers:
A. L - 15L
B. L(1-0.15)
C. 0.15L
D. l - 15/100
E. L - 3/20L

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