Relative frequency in a two-way table: students who play a sport
Find the total for the group the question asks about, then write the part over that total as a fraction in lowest terms.
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A survey of students found: 21 play a sport and are in the band, 29 play a sport and are not in the band, 7 do not play a sport and are in the band, and 23 do not play a sport and are not in the band. What fraction of the students who play a sport are in the band? Write a fraction in lowest terms.
Answer: 21/50
A survey of students found: 40 play a sport and are in the band, 28 play a sport and are not in the band, 11 do not play a sport and are in the band, and 36 do not play a sport and are not in the band. What fraction of the students who play a sport are in the band? Write a fraction in lowest terms.
Answer: 10/17
A survey of students found: 26 play a sport and are in the band, 19 play a sport and are not in the band, 13 do not play a sport and are in the band, and 16 do not play a sport and are not in the band. What fraction of the students who play a sport are in the band? Write a fraction in lowest terms.
Answer: 26/45
Tip: Find the total for the group the question asks about, then write the part over that total as a fraction in lowest terms.
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