AnswersCR Expository Reading and Writing S1 E4250OXExperimental ProbabilityQuestion 15
15
QuizMultiple Choice

Experimental Probability

Question 15 • *CR Expository Reading and Writing S1 [E4250OX]

Davis predicts that if he spins the spinner another 20 times, the frequency for the red and green segments will still be equal. Is Davis correct?

Answer
A
Yes. Another experiment will give the same numbers as the first experiment.
B
Yes. The experimental probabilities remain the same for all experiments.
C
No. The frequencies will be multiplied by 20.
D
No. The frequencies and probabilities for red and green segments might change in the next experiment.

Explanation

Davis cannot know that the red and green frequencies will remain equal. Results in a new set of spins can vary, so the frequencies—and the experimental probabilities based on them—might change. Choice D correctly describes this; another experiment is not guaranteed to repeat the same numbers.

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