The table compares annual incomes of several people and the amount of income tax each paid. Which is the dependent variable?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.