Mathematics · 2022
JEE Main · 26 June 2022, Shift 1 · Q17
Let a biased coin be tossed 5 times. If the probability of getting 4 heads is equal to the probability of getting 5 heads, then the probability of…
Let a biased coin be tossed $\displaystyle 5$ times. If the probability of getting $\displaystyle 4$ heads is equal to the probability of getting $\displaystyle 5$ heads, then the probability of getting atmost two heads is :
Official answer
(4)
$\displaystyle \frac{46}{6^4}$
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.