I roll a die $N$ times, what is the probability that the sum is exactly $k$?
91389
If I roll three dice at the same time, how many ways the sides can sum up to $13$?
143132
How to reverse the $n$ choose $k$ formula?
141613
Probability of winning in a die rolling game with six players
94807
Expected number of die rolls to get 6 given that all rolls are even.
93424
How many rolls do I need to determine if my dice are fair?
123955
How to compute $\sum\limits_{k=0}^n (-1)^k{2n-k\choose k}$?
17638
Sum with binomial coefficients: $\sum_{k=0}^{n}{2n\choose 2k}$
23882
What are the chances of getting $K$ identical outcomes in a row in a series of $Y$ independent events?
15253
A coin is tossed $n$ times. What is the probability of getting odd number of heads?
137082
How many throws of a die until every possible result is obtained?
26975
Probability that random walk will reach state $k$ for the first time on step $n$
15832
Waiting time for successive occurrences of a result, when rolling a die
29713
$k$ times's draw from $n$ numbers with replacement, each number at least appear once
94497
I need help with probability of a dice.
138746
Expected Value Of Dice Rolling Game
147066
Probability of dice sum just greater than 100
103840
Calculate $\sum_{k=1}^n k2^{n-k}$