Question
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
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.
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