CAIE S1 2020 November — Question 5

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2020
SessionNovember
TopicPermutations & Arrangements
TypeConditional probability in arrangements

5 The 8 letters in the word RESERVED are arranged in a random order.
  1. Find the probability that the arrangement has V as the first letter and E as the last letter.
  2. Find the probability that the arrangement has both Rs together given that all three Es are together.