Prob. that half of 20K coins are heads
128124
Is it unlikely to get the same number of heads/tails?
80651
Why is observing 100 heads for a fair coin flips surprising?
79546
Puzzle about technique of fair using of unfair coin
116780
product is twice a square
38380
An infinite Penney's game.
8391
Why "was" not "were" in "Nearly £20 was taken from my bank account"
83114
How can GameStop be short 140% of float?
139699
Probability of a Coin Toss
90357
Expected value of two successive heads or tails (stuck on computation)
58570
Is there a sane reason why ¹⁄₁₂₅ is not, instead, exactly half of ¹⁄₆₀?
33912
Group with 380 elements is not simple.
109941
What happens if I toss a coin with decreasing probability to get a head?
6139
How to choose between two options with a biased coin
113403
Monty hall problem extended.
33219
There are five boxes consisting of several identical coins.
62990
What are the odds of getting heads 7 times in a row in 40 tries of flipping a coin?
13869
Can a coin with an unknown bias be treated as fair?