Regina has wet weather on about 3/10 of the days in a year. it has wet weather on about four times as many days as it has fog. on what fraction of the days of the year does regina have fog? answer and show the work how you got the answer.

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

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided