Learn about probability, the probability scale and how to express probabilities with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

When scientists spot an asteroid whose trajectory might take it close to Earth, they monitor it frequently and calculate the probability that it might collide with our planet.

When scientists spot an asteroid whose trajectory might take it close to Earth, they monitor it frequently and calculate the probability that it might collide with our planet.

How to calculate your probability of success As of Friday, November 16, 2012 Sign in to favorite this Discuss Comment, Blog about Share this Email, Facebook, Twitter Simon Cooper ...