Showing posts with label probability. Show all posts
Showing posts with label probability. Show all posts
Thursday, January 27, 2011
Test Guessing
A ten-question test consists of true-or-false questions. What is the probability that a student who guesses at every answer will get them all wrong?
Coin Toss
You flip a fair coin three times in a row. What is the probability that the coin will land heads up at least twice?
Tuesday, December 7, 2010
Red Face
What is the probability of drawing a red face card from a randomly shuffled deck of standard poker cards?
Subscribe to:
Posts (Atom)