CAIE S1 2018 November — Question 1

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2018
SessionNovember
TopicPermutations & Arrangements
TypeBasic arrangements with repeated letters
1
  1. How many different arrangements are there of the 11 letters in the word MISSISSIPPI?
  2. Two letters are chosen at random from the 11 letters in the word MISSISSIPPI. Find the probability that these two letters are the same.
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