A group of people in an art class and a crafts class were surveyed whether they exercise more than 5 hours a week or less than 5
hours a week. In the art class, 5 people exercise more than 5 hours a week and 8 people exercise less than 5 hours a week. In the crafts class, 10 people exercise more than 5 hours a week and 4 people exercise less than 5 hours a week.
What is the relative frequency of people who exercise more than 5 hours a week in the art class to the total number of people surveyed?
Round the answer to the nearest hundredth.
What is the relative frequency of people who exercise more than 5 hours a week in the art class to the total number of people surveyed?
Round the answer to the nearest hundredth.
1 answer:
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<h3>Answer: 39</h3>
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Explanation:
You can use the nCr formula shown below
where n = 39 and r = 1. However, you could also use the identity
which basically says there are n ways to pick 1 item if you are given a choice of n items. In this specific case, we have 39 items total, and there are 39 ways to pick one item.