**Oklahoma Academic Education Standards**. Probability is the possibility that a certain event will occur. An event that is certain to occur has a probability of 1. An event that cannot occur has a probability of 0. Therefore, the probability of an event occurring is always between 0 and 1.Probability word problems worksheets. Read More...

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Study GuideIntroduction to Probability

Worksheet/Answer keyIntroduction to Probability

Worksheet/Answer keyIntroduction to Probability

Worksheet/Answer keyIntroduction to Probability

Worksheet/Answer keyIntroduction to Probability

OK.7.D. Data & Probability (D)

7.D.2. Calculate probabilities and reason about probabilities using proportions to solve real-world and mathematical problems.

7.D.2.1. Determine the theoretical probability of an event using the ratio between the size of the event and the size of the sample space; represent probabilities as percents, fractions and decimals between 0 and 1.

7.D.2.2. Calculate probability as a fraction of sample space or as a fraction of area. Express probabilities as percents, decimals and fractions.