CAIE S1 2011 November — Question 2

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2011
SessionNovember
TopicPermutations & Arrangements
TypeArrangements with identical objects
2 Twelve coins are tossed and placed in a line. Each coin can show either a head or a tail.
  1. Find the number of different arrangements of heads and tails which can be obtained.
  2. Find the number of different arrangements which contain 7 heads and 5 tails.
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Q1 Q2 Q3 Q4 Q5 Q6