2. Maria just started a new workout regimen. She jogs for 7 minutes at a time, and she lifts weights for 16 minutes at a time. This week Maria has jogged and lifted weights 13 timesShe worked out for a total of 127 minutes . Use the information to write the system of equation .

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