QM1Notes (dragged) 8

Example 1 you roll a red die and a green die and

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Unformatted text preview: its probability is given by P(Ec ) = 1 - P(E). Example 1 You roll a red die and a green die and observe the two numbers facing up. Describe the event that the sum of the numbers is not 6. What is its probability? Question If E and F are events, how can we describe the event EÆF? Answer Consider a simple example: the experiment of throwing a die. Let E be the event that the outcome is a 5, and let F be the event that the outcome is an even number. Thus, E = {5}, F = {2, 4, 6}. So, EÆF = {5, 2, 4, 6}. In other words, E ÆF is the ev...
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