Warm Up Multiply. Write each fraction in simplest form.  

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Presentation transcript:

Warm Up Multiply. Write each fraction in simplest form. 1.  2.  Write each fraction as a decimal. 3. 4. 2 5 3 5 6 25 1 6 3 4 1 8 2 5 32 125 0.4 0.256

38.1 Probability Single event

38.2 Events involving “And” and “or”

Remember that in probability, the set of all possible outcomes of an experiment is called the sample space. Any set of outcomes is called an event. If every outcome in the sample space is equally likely, the theoretical probability of an event is

A compound event is made up of one or more separate events A compound event is made up of one or more separate events. To find the probability of a compound event, you need to know if the events are independent or dependent. Events are independent events if the occurrence of one event does not affect the probability of the other. Events are dependent events if the occurrence of one does affect the probability of the other.

We are starting with only independent events

INDEPENDENT EVENTS