Question

question 3(multiple choice worth 1 points)
(04.02 mc)
a survey was conducted among 100 students in groups ages 7 - 12 and 13 - 18 to find their favorite book genre. the students had to select any one genre from detective, adventure, or biography. out of the 50 students in the age group 7 - 12 who participated in the survey, 23 liked adventure or biography. the total number of students of both age groups who liked detective books was 28
using a two - way table, compute the total number of students in the age group 13 - 18 who liked adventure or biography
23
27
49
51

Explanation:

Step1: Find the number of students in age group 7 - 12 who liked detective

Total students in 7 - 12 age group = 50. Students in 7 - 12 who liked adventure or biography = 23.
Number of students in 7 - 12 who liked detective: \(50−23 = 27\)

Step2: Find the number of students in 13 - 18 who liked detective

Total students who liked detective = 28.
Number of students in 13 - 18 who liked detective: \(28−27=1\)

Step3: Find the number of students in 13 - 18 age group

Total students surveyed = 100. Students in 7 - 12 age group = 50.
Students in 13 - 18 age group: \(100 - 50=50\)

Step4: Find the number of students in 13 - 18 who liked adventure or biography

Number of students in 13 - 18 who liked adventure or biography: \(50−1 = 49\)

Answer:

C. 49