Zenaida is shopping and wants to purchase a $320 stereo system. the store is offering an incentive of 10 to 30 percent off when you spin the discount wheel. zenaida spins the wheel and receives 20 percent off. how much will the stereo system cost? $32 $64 $256 $288

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