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Which diagram is best for a sequence of events?
A
Different totals have different numbers of ordered outcomes.
B
0.7(0.3)+0.3(0.7)=0.420.7(0.3)+0.3(0.7)=0.420.7(0.3)+0.3(0.7)=0.42.
C
A tree diagram.
D
The Venn diagram addition rule is P(A∪B)=P(A)+P(B)−P(A∩B)\boxed{P(A\cup B)=P(A)+P(B)-P(A\cap B)}P(A∪B)=P(A)+P(B)−P(A∩B).
Card 1 of 20
2.3.2 Diagrams to assist probability calculations Flashcards
20 flashcards on OCR A Level Maths 2.3.2 Diagrams to assist probability calculations: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.