ウェブ

1. What does X ~ B (n, p) mean? - Quora
   2017/2/21 -X is a random variable following a binomial distribution, with n independent trials, each with probability p of success.
   https://www.quora.com > What-does-X-B-n-p-mean
2. Normal Distributions
   Let X be a normal random variable with mean µ = 100 and standard deviation σ = 15. What is the probability that the value of X falls between 80 and 105; P(80 ≤ ...
   https://www3.nd.edu > ~dgalvin1
3. Note 15 - CS 70
   The joint distribution of two discrete random variables X and Y is the collection of values. {((a,b),P[X = a,Y = b]) : a ∈ s , b ∈ S}, where s is the set of ...
   https://www.eecs70.org > assets > pdf > notes
4. Binomial Distribution | Introduction to Statistics - Lumen Learning
   Read this as “X is a random variable with a binomial distribution.” The parameters are n and p; n= n = number of trials, p= p = probability of a success on each ...
   https://courses.lumenlearning.com > b...
5. Unit 5 – Random Variables Guided Notes B. Binomial Distributions
   n = 16. • Same probability? p = 0.50. This is a binomial setting. The count of successes X in a binomial setting is a binomial random variable. The possible ...
   http://msgilfordmath.weebly.com > uploads > 5b_no...
6. 4.2 Mean or Expected Value and Standard Deviation - Texas Gateway
   Introduction. The expected value of a discrete random variable X, symbolized as E(X), is often referred to as the long-term average or mean (symbolized as ...
   https://www.texasgateway.org > 42-m...
7. The Binomial Distribution
   Mean, Variance and SD for Binomial. Probability Distribution (r.v.). Let X be Binomial(n, p): ... Note: this is equivalent to ... b) What is the variance? c) What ...
   https://ocw.mit.edu > courses > 15-063-communicati...
8. probability - Why is $P(X,Y|Z)=P(Y|X,Z)P(X|Z) - Math Stack Exchange
   2013/2/12 -Let's note PZ the probability P(...|Z). Then apply your formula : PZ(X,Y)=PZ(X|Y)PZ(Y). Now PZ(X|Y)=PZ,Y(X) because both are equal to PZ(X,Y)P ...
   https://math.stackexchange.com > wh...
9. The cumulative distribution function of a random variable
   Definition. The cumulative distribution function (cdf) gives the probability that the random variable X X is less than or equal to x x and is usually ...
   https://www.ncl.ac.uk > statistics > cu...
10. Section 5: Solutions - Washington
    X is the sum of n independent Bernoulli trials, and Y is the sum of m. So X +Y is the sum of n+m independent Bernoulli trials, so X + Y ∼ Binomial(n + m, p) ...
    https://courses.cs.washington.edu > section05-solutions