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An anti-aircraft gun can take a maximum ...

An anti-aircraft gun can take a maximum of four shots at any plane moving away from it. The probabilities of hitting the plane at the 1 st, 2 nd, 3 rd and 4 th shots are 0.4, 0.3, 0.2 and 0.1 respectively. What is the probability that at least one shot hits the plane ?a)0.6976 b)0.3024 c)0.72 d)0.6431

A

0.6976

B

0.3024

C

0.72

D

0.6431

Text Solution

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The correct Answer is:
A
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