Victoria asked her friends about their favorite type of music and recorded results in a frequency table. Calculate relative frequency to determine the answer. Based on the table, which statement about her friends’ music preferences is true?
Favorite Type of Music
Music type rock rap classical country
Frequency 7 8 2 3
Relative frequency
A.
Of her friends, 40% prefer country music.
B.
Country and rock music have the same relative frequency.
C.
Of her friends, 1% chose classical music.
D.
Of her friends, 10% chose classical music.
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OpenStudy (anonymous):
your numbers are really to the right
OpenStudy (anonymous):
rock=7
rap=8
classical=2
country=3 right?
OpenStudy (anonymous):
i meant left X)
OpenStudy (anonymous):
right!
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
well 7+8+2+3=20
OpenStudy (anonymous):
so A...?
OpenStudy (anonymous):
no because 3 is 15% of 20
OpenStudy (anonymous):
A is saying 40% so we can eliminate it
OpenStudy (anonymous):
also we eliminate b because they are not the same frequency
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