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user5965026
  • Member for 8 years, 2 months
  • Last seen more than a month ago
6 votes
4 answers
2k views

What is meant by "dot product between random variables?"

6 votes
2 answers
541 views

Dice game - deciding whether to re-roll or not

4 votes
1 answer
204 views

Expected value of game when flipping a coin

3 votes
1 answer
232 views

Birthday paradox question

3 votes
2 answers
1k views

Expected number of samples to get a number greater than `X`?

3 votes
4 answers
302 views

Prove that the area of a right triangle is no more than the square of the hypotenuse divided by 4

2 votes
1 answer
2k views

Expected number of intersections within a circle

2 votes
1 answer
3k views

max min is less than min max proof

2 votes
0 answers
77 views

What is the slope of $x^3+y^3 = 9$ at $(2,1)$?

2 votes
1 answer
51 views

Probability that the last red ticket is withdrawn before the last blue ticket.

2 votes
1 answer
903 views

If $AB$ is a symmetric matrix, is $BA$ still symmetric?

2 votes
1 answer
270 views

Tridiagonal band matrix, finding its inverse norm

2 votes
1 answer
39 views

How can I write this recurrence in terms of summations and products?

2 votes
1 answer
67 views

$E[X_{n+1}\mid X_1,\ldots,X_{n}] =X_{n} \implies E[X_{n+1}] = E[X_n] = \ldots = E[X_2] = E[X_1]$

2 votes
3 answers
164 views

What is $\Pr(X + Y < 0)$ where $X \sim U(0,1)$ and $Y \sim N(0, 1)$? $X$ and $Y$ are independent

2 votes
1 answer
86 views

$2$ fair coins, $1$ biased coin $-$ probability of getting a $3^{\text{rd}}$ head after $2$ consecutive heads?

2 votes
2 answers
2k views

What is the difference between weak and strong laws of large number?

1 vote
1 answer
60 views

Is the solution to this recurrence correct?

1 vote
2 answers
44 views

Max continuous subarray sum + minimum continuous subarray sum = total sum in a circular array

1 vote
3 answers
533 views

$P(X_1 > 0 \mid X_1 + X_2 > 0)$ for IID $X_1, X_2 \sim \mathcal{N}(0,1)$ [duplicate]

1 vote
1 answer
119 views

How do you write the law of total expectation for a conditional expectation?

1 vote
1 answer
368 views

How to calculate the expected value of where the first dice roll is greater than the second dice roll?

1 vote
1 answer
288 views

Probability of forming a triangle - solution seems to be wrong?

1 vote
0 answers
63 views

What does $Pr(dx,dy)$ mean in this notation? [duplicate]

1 vote
1 answer
2k views

QR factorization, condition number

1 vote
2 answers
444 views

If $A^3 = 0$, how many distinct eigenvalues does $A$ have? [duplicate]

1 vote
1 answer
615 views

8 coins lying on the table; you can flip one at a time; what is the minimum number of flips to get all heads or all tails?

1 vote
3 answers
71 views

What sequence is this $\prod_{i=1}^n \frac{2i}{2i + 1} = $?

1 vote
0 answers
72 views

Variations of the problem of the number of ways to divide $N$ items into $K$ bins

1 vote
1 answer
259 views

Monty hall with $n$ doors and Monty opening $m$ doors