Probability Probability is a measure of how likely it is that an event will occur. Probability can be expressed as a fraction, decimal, or percent.

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Presentation transcript:

Probability Probability is a measure of how likely it is that an event will occur. Probability can be expressed as a fraction, decimal, or percent.

Probability of Compound Events 1) “AND” Problems 2) “OR” Problems-mutually exclusive 3) “OR” Problems-not mutually exclusive

Consider a bag that contains 4 red, 3 white and 2 blue chips. 1) Find the P(2 Blue Chips) if the first chip is replaced. 2) Find the P(2 Blue Chips) if the first chip is not replaced.

1) What is the probability of drawing an Ace or King from a standard deck of cards? 2) What is the probability of picking a red card or an Ace?