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How many dots are in a pair of dice? I heard this in a radio show and I immediately thought 42, but they said it was the wrong answer. Is this a trick question? This is my logic: if you add each side 6 + 5 + 4 + 3 + 2 + 1 = 21 so for a pair, it would be 42
For example, suppose we plan to roll two dice and we're interested in the sum of the two numbers appearing on the top faces. Before we can talk about probabilities of various sums, say 3 or 7, we have to understand what outcomes are possible in this experiment. If we roll two dice, each die could show 1, 2, 3, 4, 5, 6. So the sum of the two faces could be any whole number from 2 to 12. We call this set of possible outcomes in the random experiment the sample space . Here the sample space can be written as. Sample space = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} Let's consider the set of all possible outcomes for other basic random experiments. Suppose we plan to toss a coin 3 times and the outcome of interest is the number of heads.