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Mathematics
Mathematics
Problem
Events
A
A
A
,
B
B
B
and
C
C
C
are independent with
P
(
A
)
=
0.2
P(A)=0.2
P
(
A
)
=
0.2
,
P
(
B
)
=
0.3
P(B)=0.3
P
(
B
)
=
0.3
and
P
(
C
)
=
0.5
P(C)=0.5
P
(
C
)
=
0.5
. What is the probability that at least one of the three events occurs? a)
0.69
0.69
0.69
b)
0.72
0.72
0.72
c)
0.28
0.28
0.28
d)
0.44
0.44
0.44
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