Answers Math Models AUnderstanding Probability

Understanding Probability Answers

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The theoretical probability of rolling a 2 on a single roll of a number cube is .

1/6

2/6

The theoretical probability of landing on blue on a single spin of a spinner with 1 purple, 1 blue, 1 red, and 1 orange section is .

1/4

1/2

A number cube will be rolled 100 times as part of an experiment. Which calculation would you use to predict the number of times a 4 will be rolled?

Option

What was the predicted frequency?Predicted Frequency =(# of trials)(theoretical probability) =(1000)(0.01)The predicted frequency was

100

1000

What was the relative frequency?Relative Frequency = The relative frequency was

0.15%

1.5%

15%

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