Eric has a medium-term goal of finding one year of community college after he graduates from high school in two years. Each class costs $125 per credit hour. Eric plans to take 15 credit hours per semester for a total of 30 credit hours per year. How much money does he need to save per month to reach his goal in 2 years?

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