Tuesday, September 7, 2010

Step forward to math

Introduction to laws of probability:
Probability is expressing knowledge that an event will occur or has occurred. Probability is different and it has been defined in different manners. The possibility of happening is called probability.
Probability of an event:
If a sample space consists of n outcomes, m of which are favorable to an event E, then the probability of an event E, denoted by P (E), is defined as the ratio of m to n.
Do you know what is round to the nearest hundredth
P(E)= Number of favorable outcomes for E / Total number of outcomes = m/n

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