One bag contains red and green balls.
Kalyn randomly chooses one ball from the bag. Without replacement, he then chooses a second ball from the bag.
Complete the tree diagram below and then draw a probability distribution table for the number of red balls that could be drawn out of the bag. (3 marks)
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`x = 2: \ P(R R) = 4/9 xx 3/8 = 1/6`
`x = 1: \ P(R and G) = 4/9 xx 5/8 + 5/9 xx 4/8 = 5/9`
`x = 0: \ P(G G) = 5/9 xx 4/8 = 5/18`