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2.3 Probability

Question 3

For two events $A\,$ and $B\,$ it is given that $P (A) = 0.4$ and $P (B) = 0.5$ . Nothing further is known about the events.

Find, using set notation, the set of possible values of $\cap B)$ .

[3]

State the relationship between $A\,$ and $B\,$ when $\cap B)$ takes its least possible value.

[1]

A different pair of events $C\,$ and $D\,$ has $P (C) = 0.7$ and $P (D) = 0.6$ . Find the set of possible values of $\cap D)$ .

[2]

Markscheme

2.3 Probability Questions

A Level
Maths
2.3 Probability

36 exam-style questions on WJEC A Level Maths 2.3 Probability, covering 2.3.1 Probability and 2.3.2 Probability. Each one has a worked solution and a mark scheme showing where the marks go.

2.3 Probability

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2.3 Probability

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Question 3

For two events $A\,$ and $B\,$ it is given that $P (A) = 0.4$ and $P (B) = 0.5$ . Nothing further is known about the events.

Find, using set notation, the set of possible values of $\cap B)$ .

[3]

State the relationship between $A\,$ and $B\,$ when $\cap B)$ takes its least possible value.

[1]

A different pair of events $C\,$ and $D\,$ has $P (C) = 0.7$ and $P (D) = 0.6$ . Find the set of possible values of $\cap D)$ .

[2]

Markscheme

2.3 Probability Questions

A Level
Maths
2.3 Probability

36 exam-style questions on WJEC A Level Maths 2.3 Probability, covering 2.3.1 Probability and 2.3.2 Probability. Each one has a worked solution and a mark scheme showing where the marks go.