§ Other · Probability
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OtherProbabilityInteger TypeMedium
Q43.The minimum number of times a fair coin needs to be tossed, so that the probability of getting at least two heads is at least , is
Subjective / proof problem — work it out in the Scratchpad, then reveal the solution.
citeJEE (Advanced) 2015 — Mathematics — Paper 1
2015id · ee3f781c