(i)[2]
In how many distinct ways can the 11 letters in MISSISSIPPI be arranged?
(ii)[3]
Two letters are picked at random from the 11 letters in MISSISSIPPI. Find the probability that the two letters match.
Mathematics 9709 · AS & A Level · Sampling and estimation
In how many distinct ways can the 11 letters in MISSISSIPPI be arranged?
Two letters are picked at random from the 11 letters in MISSISSIPPI. Find the probability that the two letters match.
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Applies permutations and combinations to work out $\dfrac{11!}{4!4!2!}$, or a correct equivalent form” …