A bag contains 5 red balls, 3 blue balls and 2 green balls. Two balls are drawn one after the other without replacement.
(a) Draw a tree diagram to illustrate all possible outcomes of the two draws.
(b) Find the probability that:
(i) both balls are red
(ii) the first ball is blue and the second ball is green
(iii) the two balls are of different colours
(iv) at least one ball is red

Question

A bag contains 5 red balls, 3 blue balls and 2 green balls. Two balls are drawn one after the other without replacement.
(a) Draw a tree diagram to illustrate all possible outcomes of the two draws.
(b) Find the probability that:
   (i) both balls are red
   (ii) the first ball is blue and the second ball is green
   (iii) the two balls are of different colours
   (iv) at least one ball is red

Accepted Answer

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Answer

A) null

Answer

B) null

Answer

C) null

Answer

D) null

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