CAIE S1 2021 June — Question 3

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2021
SessionJune
TopicPermutations & Arrangements
TypeItems NOT together (general separation)
3
  1. How many different arrangements are there of the 8 letters in the word RELEASED?
  2. How many different arrangements are there of the 8 letters in the word RELEASED in which the letters LED appear together in that order?
  3. An arrangement of the 8 letters in the word RELEASED is chosen at random. Find the probability that the letters A and D are not together.
This paper (7 questions)
View full paper
Q1 Q2 Q3 Q4 2 Q5 Q6 Q7