Tuesday, January 18, 2011

PROBABILITY PROBLEM SOLVING

Probability is an important branch of Math. Probability deals with the calculation of the 'possibility' or the 'chances' of the occurrence of a particular event. The Probability is given by the formula:
P(Event) = P(Particular event)/ P(Total number of outcomes)
There are different types of Probability based on the nature of the events:
  • Conditional Probability
  • Marginal Probability
  • Joint Probability
Example:

The Probability of a Ace card out of a pack of cards is given as:
4/52 = 1/13
Here there are 4 Ace cards in a pack. So the possibility of the occurrence of an ace is 4. The total number of cards in a pack is 52. So on simplification of the fraction obtained the possibility of the event is given as 1/13.

Students can learn to solve probability problems online. They can observe solved examples and try solving similar problems on the same lines.

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