CAIE S1 2021 November — Question 2

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2021
SessionNovember
TopicCombinations & Selection

2 A group of 6 people is to be chosen from 4 men and 11 women.
  1. In how many different ways can a group of 6 be chosen if it must contain exactly 1 man?
    Two of the 11 women are sisters Jane and Kate.
  2. In how many different ways can a group of 6 be chosen if Jane and Kate cannot both be in the group?