Reputation
Next tag badge:
99/100 score
25/20 answers
Badges
29 326 630
Newest
 Enlightened
Impact
~7.9m people reached

5h
revised Convergent sequences out of bounded sequences
added 2 characters in body
9h
revised Primitive Root Theorem
added 70 characters in body
17h
revised Obtaining probability density function $f_Y(y)$ when we know joint probability distribution $f(x,y) = 1/(x+1)$
added 119 characters in body
19h
revised Joint distributions where one is uniform
added 144 characters in body
20h
revised Joint distributions where one is uniform
added 1 character in body
1d
revised Find the polynomial $P$ of smallest degree with rational coefficients and leading coefficient $1$ such that $ P(49^{1/3}+7^{1/3})=4 $
edited body
1d
revised Difficulty in finding marginal distribution
edited body
1d
revised Clarification on the Poisson distribution
added 649 characters in body
2d
revised Is there a first order formula $\varphi[x]$ in $(\mathbb Q, +, \cdot, 0)$ such that $x≥0$ iff $\varphi[x]$?
added 51 characters in body
2d
revised What is the number of ordered triplets $(x, y, z)$ such that the LCM of $x, y$ and $z$ is …
added 15 characters in body
2d
revised show $b_1b_2b_3\cdots b_{\phi(m)} \equiv 1 \pmod m$
added 23 characters in body
2d
revised Picking randomly one card till we get the first heart
added 32 characters in body
2d
revised Finding the Distribution of Y given $X_1 + X_2$ where X, Y ~ Poisson $\Lambda$
added 41 characters in body
2d
revised Finding the Distribution of Y given $X_1 + X_2$ where X, Y ~ Poisson $\Lambda$
deleted 30 characters in body
2d
revised Combinatorial proof of number of disjoint subsets
added 97 characters in body
Feb
2
revised Using binomial theorem to prove $a | b^n \Rightarrow a | b$. ( | is divides, a prime, n integer > 1)
deleted 58 characters in body
Feb
2
revised derivative of arctan(u)
added 3 characters in body
Feb
1
revised How to find the joint PDF?
edited body
Feb
1
revised 15 coin toss ,coins which shows up heads is then tossed again, What is the probability of observing 5 heads in the second round of tosses?
added 130 characters in body
Feb
1
revised 15 coin toss ,coins which shows up heads is then tossed again, What is the probability of observing 5 heads in the second round of tosses?
added 130 characters in body