Monday, October 4, 2010
Simple Probability
total ways a specific outcome will happenProbability =total number of possible outcomesExample: There are 87 marbles in a bag and 68 of them are green. If one marble is chosen, what is the probability that it will be green?SolutionDivide the number of ways to choose a green marble (68) by the total number of marbles (87)68 ÷ 87 = 0.781609Round to the desired precision (e.g. 0.781609 rounded to
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