Probability — JEE Main 2019 · 9 Apr, Morning shift · Q4951 · Alror
Probability
JEE Main 2019 · 9 Apr, Morning shift · Q4951
MathematicsMedium75×since 2002Q4951
Four persons can hit a target correctly with
probabilities
21, 31, 41 and
81 respectively. if all hit
at the target independently, then the probability that
the target would be hit, is :