If I join the gym for a start up fee of $40 and a monthly fee of $10, what is the range?

What is the missing step in this proof ?

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

Which of the functions below could have created this graph?