Find the possible values of the random variable described in each situation. With solution

1. Two balls are drawn in succession without replacement from an urn containing 4 red

balls and 5 blue balls. Let R be the random variable representing the number of red

balls. Find the values of the random variable R.

2. In a hospital, a statistician records the sex of newborn babies. Let M be the random

variable representing males among five newborn babies.

3. Let Z be a random variable representing the result of rolling a die.

4. Four coins are tossed. Let T be the random variable representing the number of tails that

occur. Find the values of the random variable T.

5. From a box containing 4 black balls and 2 green balls, 3 balls are drawn in succession.

Each ball is placed back in the box before the next draw is made. Let G be a random

variable representing the number of green balls that occur. Find the values of the

random variable G.