Mathematics B (MEI) H630: PROBABILITY DISTRIBUTIONS Topical Past Paper Questions
OCR AS Mathematics B (MEI) (H630) past-paper questions on PROBABILITY DISTRIBUTIONS, free. This topic is frequently examined across 4 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Ali and Sam are playing a game in which Ali tosses a coin 5 times. If there are 4 or 5 heads, Ali wins the game. Otherwise Sam wins the game. They decide to play the game 50 times. (a) Initially Sam models the situation by assuming the coin is fair. Determine the number of games…
The table shows the probability distribution for the discrete random variable X. You are given that q is a positive constant. (a) Determine the value of $q$. (b) Calculate $ P(X \leq 4) $. Two independent values of X are taken. (c) Determine the probability that the sum of the tw…
A manufacturer of steel rods checks the length of each rod in randomly selected batches of 10 rods. 100 batches of 10 rods are checked and x, the number of rods in each batch which are too long, is recorded. Summary statistics are as follows. $$ n=100\qquad\quad\Sigma x=210\qquad…
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