The probability that a bomb dropped from a
plane will strike the target is 0.2. What is
the probability of failure?
Answers
Answered by
0
Answer:
The required probability is
∑
k=2
6
6
C
k
(p)
k
(1−p)
6−k
where p=
5
1
Upon expanding we get
5
6
1
[
6
C
2
4
4
+
6
C
3
4
3
+
6
C
4
4
2
+
6
C
5
4
1
+
6
C
6
4
0
]
=
5
6
1
[15(256)+20(64)+15(16)+6(4)+1]
=
5
6
5385
=0.345
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