Probability Models: Uniform and Non-Uniform

Grade 7·21 problems·~30 min·Common Core Math - Grade 7·standard·7-sp-c-7

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Fluency

Which of the following is a valid probability model for a spinner with three colors?

$P(\text{Red}) = 0.5$ , $P(\text{Blue}) = 0.3$ , $P(\text{Green}) = 0.2$

$P(\text{Red}) = 0.4$ , $P(\text{Blue}) = 0.35$ , $P(\text{Green}) = 0.35$

$P(\text{Red}) = 0.6$ , $P(\text{Blue}) = 0.3$ , $P(\text{Green}) = 0.2$

$P(\text{Red}) = 0.5$ , $P(\text{Blue}) = 0.6$