Answer to Question #317264 in Statistics and Probability for Apple

Question

Determine the possible values of the random variable in drawing 2 balls without replacement from a box containing 3 red balls (R), 1 blue ball (B), and 2 green balls (G). Let X be the number of red balls selected.

Answer 1

As there are three red balls and three not red (1blue and 2green) in a box, the number of red balls X among the two selected ones, can take on values 0, 1, 2.