Sarah is saving up to buy a new video game. She already has $20 and can save an additional $6 per week using money from her after school job. How much total money would Sarah have after 10 weeks of saving? Also, write an expression that represents the amount of money Sarah would have saved in w weeks.

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