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If A and B are two independent events such that $P(B)=\large\frac{2}{7}$$,P(A \cup B)=0.8,$ then $P(A)$ is equal to :
\[\begin {array} {1 1} (a)\;0.1 & \quad (b)\;0.2\\ (c)\;0.3 & \quad (d)\;0.4 \end {array}\]
jeemain
eamcet
math
2006
q39
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Nov 6, 2013
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meena.p
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(c) 0.3
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Nov 7, 2013
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pady_1
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