If two balls are selected randomly without replacement four a bag containing 4 red and 8 green balls. List the element of the sample space corresponding probabilities.

Answer 1

do you want something like this ?

RR --> (4/12)(3/11) = 1/11
RG --> (4/12)(8/11) = 8/33
GR --> (8/12)(4/11) = 8/33
GG --> (8/12)(7/11) = 14/33

note that 1/11 + 8/33 + 8/33 + 14/33 = 1