Recent questions tagged uniform-distribution

3 3 votes
4 4 answers
942
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Let $X$ be a random variable that follows Uniform $(-1,1)$ distribution. The conditional distribution of the random variable $Y$ given $X=x$ is the Uniform( $x^{2}-0.1, x...
0 0 votes
1 1 answer
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333 views
Consider a random vector ( $X, Y$ ) such that $Y \sim \operatorname{Uniform}(0,1)$ and the conditional distribution of $X$ given that $Y=y$ is Normal with mean $y^{2}$ an...
0 0 votes
1 1 answer
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Let $(X, Y, Z) \in \mathbb{R}^{3}$ be a point chosen uniformly at random from the unit sphere $S^{2}:=\left\{(a, b, c) \in \mathbb{R}^{3} \mid a^{2}+b^{2}+c^{2}=1\right\}...
34 34 votes
4 4 answers
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The unit interval $(0,1)$ is divided at a point chosen uniformly distributed over $(0,1)$ in $\mathbb{R}$ into two disjoint subintervals.The expected length of the subint...
19 19 votes
5 5 answers
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Let $X$ be a random variable uniformly distributed in the interval $[1,3]$ and $Y$ be a random variable uniformly distributed in the interval $[2, 4]$. If $X$ and $Y$ are...
40 40 votes
5 answers 5 answers
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Consider a permutation sampled uniformly at random from the set of all permutations of $\{1,2,3, \cdots, n\}$ for some $n \geq 4$. Let $X$ be the event that $1$ occurs be...
3 3 votes
1 1 answer
801
801 views
Consider the quadratic equation $x^2+\dfrac{x}{2}+c=0$, where $c$ is chosen uniformly randomly from the interval $[0,1]$. What is the probability that the given quadratic...
1 1 vote
1 1 answer
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1.4k views
Consider two random variables, (x) and (y), each following a uniform distribution. Specifically, (x) is uniformly distributed over the interval ([1, 3]), and  (y) is unif...
2 2 votes
1 1 answer
859
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Let $T$ be a subset of $\{1,2, \ldots, n\}$ of size $\frac{n}{2}$, sampled uniformly at random from all subsets of size $\frac{n}{2}$ of the same set $\{1,2, \ldots, n\}$...
6 6 votes
1 1 answer
856
856 views
Let $\mathcal{F}$ be the set of all functions mapping $\{1, \ldots, n\}$ to $\{1, \ldots, m\}$. Let $f$ be a function that is chosen uniformly at random from $\mathcal{F}...
1 1 vote
1 1 answer
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Initially, $N$ white beads are arranged in a circle. A number $k$ is chosen uniformly at random from $\{1, \ldots, N-1\}$. Then a set of $k$ beads is chosen uniformly fro...
0 0 votes
1 1 answer
942
942 views
Fix $n \geq 4$. Suppose there is a particle that moves randomly on the number line, but never leaves the set $\{1,2, \ldots, n\}$. The initial probability distribution of...
0 0 votes
0 0 answers
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548 views
Please list out the best free available video playlist for Uniform Distributions Topic from Probability as an answer here (only one playlist per answer). We'll then selec...
2 2 votes
0 0 answers
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The Netherlands is one of the world leaders in the production and sale of tulips. Suppose the heights of the tulips in the green house of rotterdams fantastic flora follo...
50 50 votes
4 answers 4 answers
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For $n>2$, let $a \in \{0,1\}^n$ be a non-zero vector. Suppose that $x$ is chosen uniformly at random from $\{0,1\}^n$. Then, the probability that $\displaystyle{} \Sigm...
0 0 votes
0 0 answers
1.1k
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Fix $n\geq 4.$ Suppose there is a particle that moves randomly on the number line, but never leaves the set $\{1,2,\dots,n\}.$ Let the initial probability distribution of...
67 67 votes
8 answers 8 answers
27.7k
27.7k views
Suppose $Y$ is distributed uniformly in the open interval $(1,6)$. The probability that the polynomial $3x^2 +6xY+3Y+6$ has only real roots is (rounded off to $1$ decimal...