Drexel dragonThe Math ForumDonate to the Math Forum

Ask Dr. Math

College Archive

Dr. Math Home || Elementary || Middle School || High School || College || Dr. Math FAQ

This page:
  probability checkmark

  Dr. Math

See also the
Internet Library:


   linear algebra
   modern algebra

Discrete Math

     conic sections/
     coordinate plane

Logic/Set Theory
Number Theory


Browse College Probability

Stars indicate particularly interesting answers or good places to begin browsing.

See also College Statistics.

Using a 6-sided Die to Generate a Random Number From 1 to 7 [12/23/2007]
I need to choose one of seven cards at random in a card game. Is there a way I can use a 6-sided die to be sure that my pick is truly random?

Visually Identifying Mean of a Probability Density Function [03/06/2007]
When looking at the graph of a probability density function, I know the mode is the highest value it reaches, and the median splits the area under the curve equally, but how can you find the mean visually?

Waiting Time Distributions [06/08/1997]
What are waiting time distribution tables and how do you solve them?

Weather Forecasting [05/24/1997]
If the weather is dry one day, show that the probability that it will be dry n days later satisfies Pn = (2p - 1)Pn-1 + (1 - p) and P0 = 1.

What If You Paint the Balls? [03/25/2002]
Given 800 blue balls in a bag, you take out 35 of them, paint them red, and replace them. Do this 23 times and you *might* paint all of them - what are the odds?

What's the Probability That Two Will Agree? [11/10/1997]
Of the nine members of the board of trustees of a college, five agree with the president. The president selects three trustees at random and asks their opinions...

Yahtzee Probabilities and a State Matrix [12/30/1998]
In Yahtzee, what are the odds of rolling 5 of a kind within 3 rolls of the dice? What if you reroll all 5 dice each time? Does this involve transition matrices?

Yahtzee Probability [07/20/2009]
What are the odds of rolling a Yahtzee on three consecutive turns where each turn allows up to three rolls?

Page: [<prev]  1  2  3  4

Search the Dr. Math Library:

Search: entire archive just College Probability

Find items containing (put spaces between keywords):
Click only once for faster results:

[ Choose "whole words" when searching for a word like age.]

all keywords, in any order at least one, that exact phrase
parts of words whole words

[Privacy Policy] [Terms of Use]

Home || The Math Library || Quick Reference || Search || Help 

© 1994-2015 Drexel University. All rights reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.The Math Forum is a research and educational enterprise of the Drexel University School of Education.