Answer to Question #308284 in Statistics and Probability for Hahaha

Question

There are 3 red balls and 5 yellow balls in a box. Two balls are to be drawn with replacement. If 𝑍 is a random variable that represents the number of red marbles drawn, what are the possible values of 𝑍? *

Answer 1

we define the sample space as S={RR, YY, RY, YR}

Random variable Z represents the number of red balls, thus its possible values are 0,1,2

z={0,1,2}