Question

(05.05 mc)
given the frequency table, what percentage of the students in grades 9-10 like rap music? round to the nearest whole percent.
band preference for school dance
rap rock country row totals
grades 9-10 40 30 55 125
grades 11-12 65 20 35 120
column totals 105 50 90 245
40%
38%
32%
16%

Explanation:

Step1: Identify relevant values

Number of Grades 9-10 students who like rap: $40$; Total Grades 9-10 students: $125$

Step2: Calculate percentage

$\text{Percentage} = \frac{40}{125} \times 100\%$

Step3: Compute and round result

$\frac{40}{125} \times 100\% = 32\%$

Answer:

32%