Elementary probability and sample spacesEdexcel International A Level Maths: Mind map

Exam questions on Elementary probability and sample spaces

1. A fair six-sided die is rolled once. Event $A$ is 'the score is even' and event $B$ is 'the score is greater than 3'.
   Explain why $A$ and $B$ are not mutually exclusive.2 marks
2. Two fair four-sided dice, each numbered 1, 2, 3 and 4, are rolled and the two scores are added.
   Find the probability that the total score is a prime number.2 marks
3. In a class of 40 students, 22 study French ($F$), 18 study Spanish ($S$) and 9 study both. One student is chosen at random.
   Find the probability that the student studies French or Spanish (or both).3 marks