Mathematics Probability & Statistics 1 9709: DISCRETE RANDOM VARIABLES Topical Past Paper Questions
Cambridge AS & A Level Mathematics Probability & Statistics 1 (9709) past-paper questions on DISCRETE RANDOM VARIABLES , free. This topic is frequently examined across 20 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Two fair 4-sided spinners each have sides labelled 1, 2, 3, 4. The spinners are spun at the same time, and the number on the side on which each spinner lands is noted. The random variable X is the difference between the two numbers. For example, the difference between 1 and 3 and…
Kai has a spinner with four sides, labelled 1, 2, 3, 4. When the spinner is spun, the score is the number on the side on which the spinner lands. The random variable X denotes this score. The probability distribution table for X is given below. (a) Find the numerical value of $ \…
Anil is taking part in a tournament. In each game in this tournament, players are awarded 2 points for a win, 1 point for a draw and 0 points for a loss. For each of Anil's games, the probabilities that he will win, draw or lose are 0.5, 0.3 and 0.2 respectively. The results of t…
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