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Choosing a number between $1$ and $100$, and randomly guessing it. What is the expected value of the number of guesses?

Know the probability of $A$ beating $B$, also $B$ beating $C$, what's the probability of $A$ beating $C$ three games in a row?

Solving for endpoints given by two integral equations

Calculating probability of winning best-of-7-games tournament. Why is my method wrong?

$\frac{1}{2^n}\binom{n}{n}+\frac{1}{2^{n+1}}\binom{n+1}{n}+...+\frac{1}{2^{2n}}\binom{2n}{n}=1$: short proof?

Proving Negative of Standard Normal is Standard Normal

How to calculate odds in finance

Probability that two people see each other at the coffee shop

C++ function for picking from a list where each element has a distinct probability

Distribution of sine of uniform random variable on $[0, 2\pi]$

Find the Probability Distribution of 12 Coin Tosses (Conditional Probability)

How to solve this urn problem in without replacement model.

proof that for any two independent variables X,Y: ρ(X+Y, X−Y)=Var(X)−Var(Y)/Var(X)+Var(Y) [closed]

Probability that a man will hit the target

Finding distribution of $X^2+Y^2$ where $X,Y\sim N(0,1)$

$CLT$ and $LLN$ give different results

Probability of $13$ men and $2$ women divided in $3$ equal groups such that no women are in same group

Two players drawing balls from an urn until the first red ball is selected

New posts in probability

Choosing a number between $1$ and $100$, and randomly guessing it. What is the expected value of the number of guesses?

The law of absolute value of a standard Brownian motion

Can a probability density function take negative values?

Know the probability of $A$ beating $B$, also $B$ beating $C$, what's the probability of $A$ beating $C$ three games in a row?

Solving for endpoints given by two integral equations

Calculating probability of winning best-of-7-games tournament. Why is my method wrong?

$\frac{1}{2^n}\binom{n}{n}+\frac{1}{2^{n+1}}\binom{n+1}{n}+...+\frac{1}{2^{2n}}\binom{2n}{n}=1$: short proof?

Proving Negative of Standard Normal is Standard Normal

How to calculate odds in finance

Probability that two people see each other at the coffee shop

C++ function for picking from a list where each element has a distinct probability

Distribution of sine of uniform random variable on $[0, 2\pi]$

Find the Probability Distribution of 12 Coin Tosses (Conditional Probability)

How to solve this urn problem in without replacement model.

proof that for any two independent variables X,Y: ρ(X+Y, X−Y)=Var(X)−Var(Y)/Var(X)+Var(Y) [closed]

Probability that a man will hit the target

Finding distribution of $X^2+Y^2$ where $X,Y\sim N(0,1)$

$CLT$ and $LLN$ give different results

Probability of $13$ men and $2$ women divided in $3$ equal groups such that no women are in same group

Two players drawing balls from an urn until the first red ball is selected