Q1: Explain what the Union, Intersection, and complement in a venn diagram type probability situation represent and mean. Q2: How would you go about finding the confidence interval of say 90% or 95% for any given distribution scenario?

Q3: In which scenarios are surveys appropriate? Or when is it appropriate to use experiments?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Subtract and simplify. (-y^2 – 4y - 8) – (-4y^2 – 6y + 3) show how you got the answer if your answer is right i will mark you

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.