Question 9

A packet of sweets contains 3 pink, 2 green and 5 blue sweets. Two sweets are removed in succession from the packet without replacing them.


9.1 Draw a tree diagram to determine all possible outcomes. (6)


9.2 Determine the probability that: (Round of your answer to three decimal places)


9.2.1 Both sweets are blue (2)


9.2.2 A green and a pink sweet are selected (5)


9.3 A survey was conducted amongst 60 boys and 60 girls in grade 8 relating to their participation in sport. 20 girls did not participate in any sport and 50 boys did participate in a sport.


9.3.1 Complete a two way contingency table for the above survey. (5)


9.3.2 What is the probability that if a grade 8 pupil is chosen at random that:


(a) It is a girl and participates in sport? (1)


(b) The pupil does not participate in sport and is not female? (1)


[20]
TOTAL: 150

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