Question

A large high school has 3,000 students.

During a one-week period, 75 students were
selected at random various times of the day.
Each student was asked if he or she had one
or more social media accounts. The survey
found that 3 out of 75 students did not have
any social media accounts. Estimate the
number of students in the entire school who
do not have social media accounts.

Answer 1

120 students don't have social media accounts

Explanation:

Whether the sample is representative:

Estimate:
`(3)/(75) (3000)=(9000)/(75) =120`

Hope this helps