Question

2.3.3 quiz: two - way frequency tables
northlake high school has two lunch periods. students can eat their lunch in the cafeteria or on an outside patio. about 42% of students eat their lunch in lunch eat outside. compare this with the percentage of second - lunch students who eat outside.
select the true statement.
a. a greater percentage of second - lunch students (55%) eat outside.
b. a smaller percentage of second - lunch students (38%) eat outside.
c. a smaller percentage of second - lunch students (21%) eat outside.
d. a greater percentage of second - lunch students (45%) eat outside.

Explanation:

Step1: Identify the proportion of second - lunch students who eat outside

From the two - way frequency table, the proportion of second - lunch students who eat outside is 0.21.

Step2: Convert the proportion to a percentage

To convert 0.21 to a percentage, we multiply by 100. So, $0.21\times100 = 21\%$.

Answer:

C. A smaller percentage of second - lunch students (21%) eat outside.