Probability of winning checkers and chess is 20%. The probability of winning chess is 30% what’s the probability of winning checkers

The parabola opens: y=√x-4 (principal square root) up down right left

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is

Write as a product: ac^2–ad+c^3–cd–bc^2+bd