AS & A Level Mathematics (9709) — October–November 2024, Paper 51
7 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Nicola throws an ordinary fair six-sided dice. The random variable X is the number of throws that she takes to obtain a 6. Find P(X < 8).
Answer this question and get it marked →The random variable X takes the values −2, −1, 0, 2, 3. It is given that P(X = x) = k(x^2 + 2), where k is a positive constant. Draw up the probability distribution table for X,…
Answer this question and get it marked →The time taken, in minutes, to walk to school was recorded for 200 pupils at a certain school. These times are summarised in the following table. Time taken (t minutes) t ≤ 15 t ≤…
Answer this question and get it marked →Rahul has two bags, X and Y. Bag X contains 4 red marbles and 2 blue marbles. Bag Y contains 3 red marbles and 4 blue marbles. Rahul also has a coin which is biased so that the…
Answer this question and get it marked →The weights of the green apples sold by a shop are normally distributed with mean 90 grams and standard deviation 8 grams. Find the probability that a randomly chosen green apple…
Answer this question and get it marked →The heights of the female students at Breven college are normally distributed: - 90% of the female students have heights less than 182.7 cm. - 40% of the female students have…
Answer this question and get it marked →How many different arrangements are there of the 9 letters in the word INTELLECT in which the two Ts are together?
Answer this question and get it marked →← October–November 2024 Paper 52 · October–November 2024 Paper 43 →