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Mathematics
Mathematics
Problem
Suppose
P
(
A
)
=
0.25
P(A) = 0.25
P
(
A
)
=
0.25
,
P
(
B
)
=
0.45
P(B) = 0.45
P
(
B
)
=
0.45
, and
P
(
A
∪
B
)
=
0.7
P(A \cup B) = 0.7
P
(
A
∪
B
)
=
0.7
. a. Find
P
(
A
∩
B
)
P(A \cap B)
P
(
A
∩
B
)
. b. What can you say about
A
A
A
and
B
B
B
?
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