If P (A) = 0.8, P (B) = 0.5 and P (B|A) = 0.4, find
(i) P (A ∩ B)
(ii) P (A|B)
(iii) P (A ∪ B)
Answers
Answered by
2
Answer:
P(A)=0.8;P(B)=0.5
P(
A
B
)=0.4
P(A∩B)=P(A)P(
A
B
)
P(A∩B)=P(B)P(
B
A
)
P(A∩B)
P(A∩B)
=
P(B)×P(A/B)
P(A)×P(B/A)
⇒1=
0.5×P(A/B)
0.8×0.4
⇒0.5×P(A/B)=0.32
P(A/B)=
0.5
0.32
⇒0.64
Answered by
1
Answer:
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