Mathematics 9709/51 — May/June 2022
Cambridge A-Level · Probability & Statistics 1 · worked solutions for every part, with the mark scheme
6
questions
50
marks
75
minutes
Topics Permutations and Combinations · Probability · Representation of Data · Discrete Random Variables · The Normal Distribution
Q1Permutations and CombinationsFree sample
(a)2M
Find the number of different arrangements of the 8 letters in the word DECEIVED in which all three Es are together and the two Ds are together.
(b)4M
Find the number of different arrangements of the 8 letters in the word DECEIVED in which the three Es are not all together.
The rest of this paper
5 more questions- Q2Permutations and Combinations6M
- Q3Representation of Data9M
- Q4Probability · Discrete Random Variables10M
- Q5The Normal Distribution11M
- Q6Probability8M
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