JEE Main 20205 Sep, Evening shiftMathematicsMediumStatistics and Probability258× since 2002
In a bombing attack, there is 50% chance that
a bomb will hit the target. Atleast two
independent hits are required to destroy the
target completely. Then the minimum number
of bombs, that must be dropped to ensure that
there is at least 99% chance of completely
destroying the target, is __________.