Mathematics · 2019
JEE Main · 9 April 2019, Shift 1 · Q86
Four persons can hit a target correctly with probabilities 1/2, 1/3, 1/4 and 1/8 respectively. If all hit at the target independently, then the…
Four persons can hit a target correctly with probabilities $\displaystyle \frac{1}{2}, \frac{1}{3}, \frac{1}{4}$ and $\displaystyle \frac{1}{8}$ respectively. If all hit at the target independently, then the probability that the target would be hit, is :
Official answer
(1)
$\displaystyle \frac{25}{32}$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.