Mathematics · 2019
JEE Main · 10 April 2019, Shift 2 · Q87
Minimum number of times a fair coin must be tossed so that the probability of getting at least one head is more than 99% is:
Minimum number of times a fair coin must be tossed so that the probability of getting at least one head is more than $\displaystyle 99$% is :
Official answer
(3)
$\displaystyle 7$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.