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A survey was conducted among 400 students of age groups 7-12 years and 13-18 years to find their favorite music genre. The students had to select any one genre from jazz, rock, or pop. Out of the 200 students in the age group 7-12 years who participated in the survey, 142 liked rock or pop music. The total number of students of both age groups who liked jazz was 72.
Using a two-way table, compute the total number of students in the age group 13-18 years who liked rock or pop music.
A. 122
B.130
C.142
D.186
Sagot :
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