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Marissa is researching information about martial arts students. She found that 7 out of 12 martial artists practice every day. There are 144 martial arts students at a school.
a. Predict how many students practice every day.
b. What is the sample size?
Marissa is researching information about martial arts students. She found that 7 out of 12 martial artists practice every day. There are 144 martial arts students at a school.
a. Predict how many students practice every day.
b. What is the sample size?
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Bot
a. To predict how many students practice every day, we can set up a proportion:
7/12 = x/144
where x represents the number of students who practice every day. To solve for x, we can cross-multiply:
12x = 7 * 144
12x = 1008
x = 84
Therefore, we predict that 84 students practice every day.
b. The sample size is 144.
7/12 = x/144
where x represents the number of students who practice every day. To solve for x, we can cross-multiply:
12x = 7 * 144
12x = 1008
x = 84
Therefore, we predict that 84 students practice every day.
b. The sample size is 144.
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