Probability from Informal to Formal: Introduction to Probability.

Do you want to know why casinos never loose money? Did you know that mathematics may help you to find a numeric value to the possibility that you win, or loose when playing with a deck of cards? Do you know how to determine the sample space, and/or the outcomes of an experiment? Do you understand what we refered as "experiment"?

Probability is a fascinating world, and for many persons full of fun when they play with spinners, dices, or a deck of cards. This lesson will guide you to the know-how's of finding probabilities when using combinations and permutations. Most important...you won't loose your money!

Lesson's Content

Lesson's Glossary

Combination: Any arrangement in which order is not important.

Factorial! n! represents the product of all the whole numbers from n to 1. n! is the product of all the whole numbers from n down to 1 - used in probability.

Favorable outcome: The desired results of an experiment in probability.

Outcomes: The possible results of a probability experiment.

Permutation: Any arrangement in which order is important.

Probability: The possibility of an event to happen. The probability of getting an even number when rolling a 6 sided dice is 50%.

Sample Space: All possible ways an event may happen.

Theoretical Probability: The computation of the possibility that something will occur based on the number of possible outcomes.

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