The product of 7 and x is -28 what is the value of x

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

What is the length of an with endpoints a 3,2 and b 8,14

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