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A group of people were asked if they had run a red light in the last year. 237 responded "yes", and 426 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year. Give your answer as a fraction or decimal

Ask by Wyatt Lee. in the United States
Mar 15,2025

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Answer

The probability is \( \frac{79}{221} \) or approximately 0.357.

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The Deep Dive

To find the probability that a randomly chosen person has run a red light in the last year, you need to divide the number of people who said "yes" by the total number of respondents. First, calculate the total number of respondents: 237 (yes) + 426 (no) = 663. Now, divide the number who said "yes" by the total: Probability = Number of "yes" responses / Total responses = 237 / 663. This simplifies to approximately 0.357 or 35.7%. So, the probability that a randomly chosen person has run a red light in the last year is 237/663 as a fraction or about 0.357 as a decimal. Happy calculating!

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