a and b are two events such that and p(a ∩ b) = 0.2 then is equal to
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Answered by
4
A and B are two events such that P(
A
)=0.3,P(
B
)=0.25 and P(
A
∩
B
)=0.2 then P(
B
A
) is
Answered by
3
Answer:
P(A)=0.7 & P(B)=0.75
P(
A
∩
B
)=0.2
P(
A∪B
)=0.2
P(A∪B)=0.8=P(A)+P(B)−P(A∩B)
P(A∩B)=0.7+0.75−0.8=0.65
∴P(
B
A
)=
0.75
0.65
=
15
13
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