Can someone help me with this math homework please!

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

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

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?