Wen Wang

2 Questions 12 Answers 0 Followers

Questions related from Wen Wang

Is there an efficient way to compute the joint cumulative distribution function for discrete variables?

For example, I have 20 balls in a bag, 7 of them a red, 4 of them are blue, 5 of them are yellow, 4 of them are black. If I randomly pick 10 balls, I want to find the possibility that I got at...

28 August 2012 7,438 2 View

A probability problem

Suppose I have 100 balls in a box and 10 of them are red. If I randomly take out 40 of them, what is the probability that I can get at least 6 red balls? How is this worked out?

01 August 2012 6,249 4 View