Conditional Probability of the Lottery
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A lotttery game has balls number 1 - 21. What is the probability of selecting an even numbered ball or a 10?
Is the answer 10/21? If not what is it?
Also - Find the conditional probability - If two fair dice are rolled find the probability that the sum is 6 given that the roll is a double.
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(1) Even numbers = {2, 4, 6, 8, 10, 12, 14, 16, 18, 20}
Even numbers OR 10 = {2, 4, 6, 8, 10, 12, 14, 16, ...
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