Question

Question 7 of 25Miss Rose teaches three ballet classes. Her students' data are shown in therelative frequency table.BeginnerIntermediateAdvancedTotalBoys0.150.20.050.4Girls0.10.350.150.6Total0.250.550.21.0Which statement is true?OA. 20% of her students are in the intermediate class.B. 20% of her students are in the advanced class.C. 40% of her students are girls.D. 15% of her students are boys.

Answer 1

EXPLANATION

Since this is a Two-Way Probability Table, we can see that the only true statement is the second one, because the sum of the number of boys that are in the advanced class (5%) plus the number of girls that are in the advanced class (15%) is equal to 20%.

Therefore, the solution is OPTION B