Probability from two way tables

Probability

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Calculate probabilities from a 2 way table or frequency table that shows either the number of items in each category or the probability of selecting a particular category. Include questions that involve non mutually exclusive events e.g. colored balls in a bag have a number on them. Find the probability a ball chosen at random is green or has a number 2 on it or is both green and has a number 2 on it.
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