Mathematics

Trystan Fowler

14 March, 21:58

Miss Rose teaches three ballet classes. Her students' data are shown in the

relative frequency table.

Intermediate

Advanced

Total

Beginner

0.15

Boys

0.2

0.05

0.4

Girls

0.1

0.35

0.15

0.6

Total

0.25

0.55

0.2

1.0

Which statement is true?

O

A. 40% of her students are girls.

O

B. 20% of her students are in the advanced class.

O

C. 20% of her students are in the intermediate class.

O

D. 15% of her students are boys.