Question

Timpony School District surveyed a random sample of 606060 middle school students about the amount of time they watch TV. Of the students surveyed, 141414 average watching more than 444 hours of TV each day. There are 114311431143 middle school students in the Timpony School District. Based on the data, what is the most reasonable estimate for the number of Timpony School District middle school students who average watching more than 444 hours of TV each day?

Answer 1

267 middle school students

Explanation:

Sample surveyed consists of 60 students.

Of the students surveyed, 14 average watching more than 4 hours of TV each day. That represents 14/60 = 0.23 of the total.

There are 1143 middle school students

Then, a reasonable estimate for the number middle school students who average watching more than 4 hours of TV each day is 0.23*1143​ ≈ 267

Answer 2

Estimate number of students with more than 4hr of TV per day is n = 267 students

Corrected question;

Timpony School District surveyed a random sample of 60 middle school students about the amount of time they watch TV. Of the students surveyed, 14 average watching more than 4 hours of TV each day. There are 1143 middle school students in the Timpony School District. Based on the data, what is the most reasonable estimate for the number of Timpony School District middle school students who average watching more than 4 hours of TV each day?

Explanation:

Given;

Number of sample students = 60

Number of Sample students with more than 4 hr TV= 14

Total population = 1143

Estimate number of students with more than 4hr of TV per day is n;

n = 14/60 × 1143 = 266.7

n ~= 267