M119L09to10-page4

M119L09to10-page4 - g is the result on the green die. S =...

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(Lesson 9: Probability Basics; 4-2) 4.04 Example 3 (Roll Two Dice – 1 red, 1 green) We roll two standard six-sided dice. It turns out to be far more convenient if we distinguish between the dice. For example, we can color one die red and the other die green. Think About It: Are dice totals equally likely? Our simple events are ordered pairs of the form r , g ( ) , where r is the result on the red die and
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Unformatted text preview: g is the result on the green die. S = 1,1 ( ) , 1, 2 ( ) , , 6,6 ( ) { } . N = 36 elos. Notation: We will use shorthand. For example, the event 4 means the die comes up 4 when it is rolled. It is a simple event. P 4, 2 ( ) ( ) = 1 36 P 2 on red ( ) = 6 36 = 1 6 Think About It: Why does this answer make sense? How could you have answered very quickly?...
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