Probability and Statistics
GCE Further Mathematics
9 Probability and Statistics practice questions covering everything you need for GCE.
Drill Probability and Statistics →Sample Probability and Statistics questions
A bag contains 5 red balls, 3 blue balls and 2 green balls. If a ball is drawn at random from the bag, what is the probability that it is NOT red?
The mean of the numbers 3, 7, x, 11 and 9 is 8. Find the value of x.
The table below shows the scores of students in a test: Score: 1, 2, 3, 4, 5 and Frequency: 2, 5, 6, 4, 3. Find the median score.
Two fair dice are thrown together. What is the probability that the sum of the outcomes is at least 10?
The variance of a set of numbers is 9. What is the standard deviation?
In a class of 40 students, 18 study Mathematics, 22 study English and 6 study both subjects. How many students study neither Mathematics nor English?
The probabilities that Ade and Bisi will pass an examination are 2/3 and 3/4 respectively. Find the probability that only one of them passes the examination.
A discrete random variable $X$ has the probability distribution: $P(X=x) = kx$ for $x = 1, 2, 3, 4$. Find the value of $k$.
The ages (in years) of seven teachers in a school are: 34, 28, 46, 39, 52, 41 and 30. Find the mean absolute deviation of the distribution.