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Cambridge A Level-Class 12 Mathematics (9709) Probability and Statistics 2 Worksheet
If P(A) = 0.4, P(B) = 0.7 and P(B/A) = 0.6. Find P(A ∪ B
0.46
b.0.86
c.0.76
d.0.96
If A and B are two independent events, then the probability of occurrence of at least one of A and B is given by
1+ P(A′) P (B′)
b.1- P(A) P (B)
c.1+ P(A′)+ P (B′)
d.1- P(A′) P (B′)
If E and F are two events associated with the same sample space of a random experiment then P (E|F) is given by _________
P(E∩F) / P(F), provided P(F) ≠ 0
b.P(E∩F) / P(F), provided P(F)= 0
c.P(E∩F) / P(F)
d.P(E∩F) / P(E)
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