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The event that both AAA and BBB occur is their [ ].
A
P(B∣A)P(B\mid A)P(B∣A) is undefined when P(A)=0\boxed{P(A)=0}P(A)=0.
B
The event that both AAA and BBB occur is their intersection.
C
0.5×0.30.25=0.6\frac{0.5\times 0.3}{0.25}=0.60.250.5×0.3=0.6
D
The event after the vertical line.
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4.1.2 Probability (A-level only) Flashcards
20 flashcards on WJEC A Level Maths 4.1.2 Probability (A-level only): the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4.