A-Level MathematicsYear 2020Q1
2 1. The Venn diagram shows the probabilities associated with four events, A, B, C and D A 0.07 0.16 0.24 C B s r q p D (a) Write down any pair of mutually exclusive events from A, B, C and D (1) Given that P(B) = 0.4 (b) find the value of p (1) Given also that A and B are independent (c) find the value of q (2) Given further that P ( Bʹ | C ) = 0.64 (d) find (i) the value of r (ii) the value of s (4) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________
Paper Source:9MA0_31_que_20201020.pdf
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Exam Specification Info
This question is part of the UK A-Level Mathematics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectMathematics
Official MarksVariable (2–6 marks)