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Mathematics
Mathematics
Problem
Four independent events
E
1
,
E
2
,
E
3
E_1,E_2,E_3
E
1
,
E
2
,
E
3
and
E
4
E_4
E
4
have probabilities
0.8
,
0.6
,
0.9
0.8,\,0.6,\,0.9
0.8
,
0.6
,
0.9
and
0.5
0.5
0.5
respectively. Find the probability that all four events occur. a)
0.700
0.700
0.700
b)
0.216
0.216
0.216
c)
0.432
0.432
0.432
d)
0.108
0.108
0.108
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