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Probability question

2007 · Shift 0 · Q45

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PYQ Library
JEE Main
Mathematics
Probability
2007 · Shift 0 · Q45

Probability question

2007 · Shift 0 · Q45

JEE MainMathematicsProbabilityMCQ+4 / −1

Two aeroplanes

{\rm I}

and

{\rm I}{\rm I}

bomb a target in succession. The probabilities of

{\rm I}

and

{\rm I}{\rm I}

scoring a hit correctly are

0.3

and

0.2,

respectively. The second plane will bomb only if the first misses the target. The probability that the target is hit by the second plane is :

A
$0.2$
B
$0.7$
C
$0.06$
D
0.32

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