Edexcel GCSE Mathematics Probability overview quiz quiz

A fair six-sided die is rolled. What is the probability of scoring a number greater than $4$?

The probability that a bus is on time is $0.85$. What is the probability that it is not on time?

Which rule gives the probability of two independent events both happening?

Two fair dice are rolled. How many outcomes are in the sample space?

A coin is flipped twice. What is the probability of getting exactly one head?

A bag has $3$ red and $5$ green counters. One is taken and not replaced, then another. What is the probability the first is red and the second green?

In set notation, what does $A \cap B$ represent?

In a class of $30$, $20$ study French, $12$ study German and $7$ study both. How many study neither?

From a Venn diagram, $8$ people like tea only, $6$ like coffee only and $4$ like both. What is $P(\text{likes coffee} \mid \text{likes tea})$?

A spinner is spun $250$ times and lands on blue $80$ times. What is the relative frequency of blue?

The probability that a seed germinates is $0.7$. Out of $300$ seeds, how many are expected to germinate?

A die is rolled $600$ times and lands on six $140$ times. For a fair die, how many sixes are expected?

Two events $A$ and $B$ are mutually exclusive with $P(A) = 0.3$ and $P(B) = 0.45$. What is $P(A \text{ or } B)$?

On a tree diagram, how do you find the probability of one complete sequence of outcomes?