Practicing Success
Four balls are drawn from a bag containing 3 red and 5 black balls, if the random variable X represents the number of red balls drawn, then X can take values |
0, 1, 2
1, 2 0, 1, 2, 3 0 |
0, 1, 2, 3 |
as there are 3 red balls, so maximum ’ red balls can be 3. |