Compound events

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A compound event consists of two or more simple events occurring together or one after another.

ex: State the single event or identify the simple events that make up the compound event

winning a football game it's a simple event.

Getting two heads when two coins are tossed together is a compound event.

Getting a number that is less than 2 or greater than 4 when spinning the spinner as shown once is a simple event.

Getting a number that is less than 2 or greater than 4 when spinning the spinner as shown two times consecutively is a compound event.

Getting heads when a coin is tossed and gettins a 3 when a six-sided number die is rolled, compound event.

There are many ways to represent the sample space of a compound event. You may use an organized list to show all the possible outcomes of rolling a number die and tossing a coin simultaneously.

1. Simple table with all posible outcomes between the coing and the die.

2. Grid but only with two

3. Table with two spinners with three different outcomes

4. Tree diagrams- each brand starts from the same node, the number of branches indicates the number of outcomes.

PRACTICE:

Determine the number of possible outcomes for each compund event.

1. There are four shirts in one drawer: 1 blue, 1 yellow, 1 red, and 1 gray. There are two pairs of socks in another dra: 1 pair of gray socks and 1 pair of black socks. A shiett and a pair of socks are taken out of the drawers. How many possible outcomes are there?

2. The result of tossing two fair six-sided number dice are added. How many possible outcomes are there?

numbers from 2-12 outcomes, sample space 36

3. Colin turned two spinners one with 4 sides and one with 3 sides

CLASS WORK:

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