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Question
4.64
4.64
Conditional probabilities.
Suppose that
P
(
A
)
=
0.5
,
P
(
B
)
=
0.3
, and
P
(
B
|
A
)
=
0.2
.
Find the probability that both
A
and
B
occur.
Use a Venn diagram to explain your calculation.
What is the probability of the event that
B
occurs and
A
does not?
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