Question

the conditional relative frequency table was generated using data that compares the number of boys and girls who pack their lunch or buy lunch from the cafeteria. 35 total girls and 50 total boys were surveyed. how many students bought their lunch from the cafeteria? round to the nearest whole number. cafeteria pack total boys 0.44 0.56 1.0 girls 0.4 0.6 1.0 total 0.42 0.58 1.0

Explanation:

Step1: Calculate number of boys who bought lunch

Multiply total boys by cafeteria frequency for boys.
$50\times0.44 = 22$

Step2: Calculate number of girls who bought lunch

Multiply total girls by cafeteria frequency for girls.
$35\times0.4=14$

Step3: Calculate total students who bought lunch

Add number of boys and girls who bought lunch.
$22 + 14=36$

Answer:

36