Suppose you have one million red cars and one million blue cars. Red cars get better gas mileage on average. Suppose you select the 100 red cars with the best gas mileage among the red cars and the 100 blue cars with…
Suppose you have one million red cars and one million blue cars. Red cars get better gas mileage on average. Suppose you select the 100 red cars with the best gas mileage among the red cars and the 100 blue cars with…