emily is preparing many gifts for a family holiday party. each gift must either be wrapped with wrapping paper or prepared in a gift bag. emily can wrap a single gift in 3 minutes and she can do a gift bag in 1.5 minutes. emily prepared a total 22 gifts in 48 minutes. graphically solve a system of equations in order to determine the number of gifts emily wrapped, x, and the number of gift bags she prepared, 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

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Which represents the number of times all outcomes less than a given outcome occur? cumulative frequency relative frequency frequency cumulative relative frequency