AQA Paper 3 2020 June — Question 10 1 marks

Exam BoardAQA
ModulePaper 3 (Paper 3)
Year2020
SessionJune
Marks1
PaperDownload PDF ↗
Mark schemeDownload PDF ↗
TopicProbability Definitions
TypeVenn diagram completion
DifficultyEasy -1.8 This is a 1-mark multiple choice question requiring only the basic principle that probabilities in a Venn diagram sum to 1. Students simply add the given probabilities and subtract from 1 to find x. It's a routine recall question with no problem-solving required, significantly easier than average A-level questions.
Spec2.03b Probability diagrams: tree, Venn, sample space

The probabilities of events \(A\), \(B\) and \(C\) are related, as shown in the Venn diagram below. \includegraphics{figure_10} Find the value of \(x\). Circle your answer. [1 mark] \(0.11\) \quad \(0.46\) \quad \(0.54\) \quad \(0.89\)

Question 10:
AnswerMarks Guidance
10Circles correct answer 1.1b
Total1
QMarking Instructions AO
Question 10:
10 | Circles correct answer | 1.1b | B1 | 0.11
Total | 1
Q | Marking Instructions | AO | Marks | Typical Solution
The probabilities of events $A$, $B$ and $C$ are related, as shown in the Venn diagram below.

\includegraphics{figure_10}

Find the value of $x$.

Circle your answer.
[1 mark]

$0.11$ \quad $0.46$ \quad $0.54$ \quad $0.89$

\hfill \mbox{\textit{AQA Paper 3 2020 Q10 [1]}}