Probability of tossing an even/odd number of heads
15253
A coin is tossed $n$ times. What is the probability of getting odd number of heads?
46097
Find the probability that a geometric random variable $X$ is an even number
135351
$C(n,p)$: even or odd?
11967
number of subsets of even and odd
114790
probability that a random variable is even
58933
What's the probability that a sequence of coin flips never has twice as many heads as tails?
79656
Probability of obtaining at least k heads with a set of unfair coins
39287
Probability with same number of heads and tails
131468
Summation of Central Binomial Coefficients divided by even powers of $2$
94497
I need help with probability of a dice.
9941
Expected number of rolling a pair of dice to generate all possible sums
81167
How many ways can the average of n dice be a?
117413
How to calculate the expectation of the square of the number of heads in N tosses?
151743
Probability of flipping coin
149132
Probability of getting first head on even coin flip
134792
If you toss $1000$ fair coins $10$ times each, what is the probability the *some* coin will get $10$ heads?
76998
A fair coin is tossed $n$ times by two people. What is the probability that they get same number of heads?