Question 624222
If a coin is tossed two thousand times, what is the probability that all the heads appear between 900 to 1100th toss.
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The 2000 tosses is irrelevant.
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If it's 900 to 1100 tosses inclusive, that's 201 tosses.
--> (0.5)^201 =~ 3.111E-61
Don't bet a lot on it.