Which equation is not true? 1). 4 ( z - 11 ) = 4z - 44
2). -2 ( 3x + 5 ) = -6x + 10
3). 0.5 ( 2m - 3) = 1m - 1,5

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