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Group B has 38 in total, complete the diagram. 8 23 A 5 B There are 45 people in the complete group. Complete the diagram. 5 18 A B 15 * Careful, some people have been counted twice. There are 50 people altogether. Group A has 30 people. Group B has 24 people. Complete the diagram. 7 A B Hint: from Group A only, not everybody. The probability that someonefrom group A is also in group B = 7 23 A 5 B 21 What is the probability of choosing someone from the complete group that is in group B only? 12 12 A 8 B 9 Hint: from Group A or B, not everybody. What is the probability that a member of group A or B is a member of both groups? 4 16 A 6 B 15 |