User Hasan Heydari

4 votes

Proving a set property

answered Oct 2, 2017 at 5:02

4 votes

Accepted

What is $\sum_{j=i}^{n}j$

answered Oct 5, 2017 at 6:29

4 votes

Accepted

Probability of rolling above a certain number across multiple 20 sided dice.

answered Oct 20, 2017 at 8:23

4 votes

Accepted

Show that $\frac{1}{a^n+b^n+c^n} = \frac{1}{a^n} + \frac{1}{b^n} + \frac{1}{c^n}$

answered Feb 27, 2018 at 5:59

3 votes

Accepted

Binomial distribution and finding the probability

answered Oct 29, 2017 at 6:48

3 votes

Expected Value Probability choosing same color balls in one hand

answered Oct 9, 2017 at 14:16

3 votes

Accepted

Probability of finding the answer with multiple cases

answered Oct 2, 2017 at 6:37

3 votes

How many 6-digit numbers contain exactly three 1s?

answered Mar 3, 2017 at 15:47

2 votes

Calculating the $100th$ term of a series

answered Jan 25, 2017 at 5:06

2 votes

Coin tosses until doubling amount

answered Aug 7, 2017 at 13:26

2 votes

How to prove that if p $\le$ q+1 , then G is connected.

answered Oct 2, 2017 at 5:54

2 votes

How many $4$-digit even numbers can be formed from a certain set?

answered Oct 1, 2017 at 15:17

2 votes

Accepted

Poisson distribution - find value for $\lambda$ given a known probability

answered Oct 19, 2017 at 13:44

1 vote

Boolean expression help

answered Oct 2, 2017 at 14:23

1 vote

Determine the pdf of $U = \dfrac{X}{(X+Y)}$

answered Oct 4, 2017 at 14:50

1 vote

Accepted

Show that $B(x; \ n, \ 1 - p) = 1 - B(n - x - 1; \ n, \ p)$

answered Oct 4, 2017 at 17:26

1 vote

Get the probability mass function while RV denote the number of white balls with n balls chosen for each trial

answered Aug 9, 2017 at 4:09

1 vote

Accepted

what is the probability that the product is greater than 40?

answered Feb 28, 2017 at 6:07

1 vote

Solve recurrence relation without master theorem

answered Feb 28, 2017 at 7:06

1 vote

Dividing ten people into five two-person groups.

answered Mar 2, 2017 at 8:29

1 vote

Solving for $\log^*n$

answered Sep 18, 2017 at 4:12

1 vote

Expected number of boxes I need to check before finding ball

answered Sep 19, 2017 at 7:23

1 vote

What is the probability that the drawn ball is red

answered Feb 6, 2017 at 15:45

1 vote

If a set of vertex $X$ is maximal independent, then $X$ is a minimal dominating set

answered Jan 27, 2018 at 9:21

1 vote

why do we use big-$O$ in solving recurrence relations

answered Oct 21, 2017 at 16:19

1 vote

Literature recommendation on random graphs

answered Dec 3, 2022 at 19:26

1 vote

Probability that a set of sample maps to another set of sample?

answered Feb 15, 2018 at 7:55

0 votes

Accepted

Finding the value of a sum using Riemann sum theorem

answered Jun 15, 2018 at 4:42

0 votes

Expected number of operations until matrix contains no zeros.

answered Jan 29, 2018 at 5:37

0 votes

Accepted

What is the $\prod \frac{1}{n-1}$

answered Feb 15, 2017 at 6:16

Stack Exchange Network

46 Answers

Proving a set property

What is $\sum_{j=i}^{n}j$

Probability of rolling above a certain number across multiple 20 sided dice.

Show that $\frac{1}{a^n+b^n+c^n} = \frac{1}{a^n} + \frac{1}{b^n} + \frac{1}{c^n}$

Binomial distribution and finding the probability

Expected Value Probability choosing same color balls in one hand

Probability of finding the answer with multiple cases

How many 6-digit numbers contain exactly three 1s?

Calculating the $100th$ term of a series

Coin tosses until doubling amount

How to prove that if p $\le$ q+1 , then G is connected.

How many $4$-digit even numbers can be formed from a certain set?

Poisson distribution - find value for $\lambda$ given a known probability

Boolean expression help

Determine the pdf of $U = \dfrac{X}{(X+Y)}$

Show that $B(x; \ n, \ 1 - p) = 1 - B(n - x - 1; \ n, \ p)$

Get the probability mass function while RV denote the number of white balls with n balls chosen for each trial

what is the probability that the product is greater than 40?

Solve recurrence relation without master theorem

Dividing ten people into five two-person groups.

Solving for $\log^*n$

Expected number of boxes I need to check before finding ball

What is the probability that the drawn ball is red

If a set of vertex $X$ is maximal independent, then $X$ is a minimal dominating set

why do we use big-$O$ in solving recurrence relations

Literature recommendation on random graphs

Probability that a set of sample maps to another set of sample?

Finding the value of a sum using Riemann sum theorem

Expected number of operations until matrix contains no zeros.

What is the $\prod \frac{1}{n-1}$