Back to Develop a probability model and use it to find probabilities of events — Problem 3 · Task Set 45

7.SP.C.7 Tutor Intake -- Probability Models: Uniform and Non-Uniform

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without a calculator. If you're unsure, give your best try — the goal is
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Grade 7·8 problems·~12 min·Common Core Math - Grade 7·standard·7-sp-c-7
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Procedures

1

A spinner is spun 200 times: Red lands 70 times, Blue lands 90
times, and Yellow lands 40 times. Using this data to build a
non-uniform probability model, what probability should be
assigned to Blue? Enter your answer as a decimal.