AI Tutor
Back to 3.4 Rational Numbers

3.4 Exercise 61

Avg difficulty 2.5

A study revealed that 70% of students suffer from sleep deprivation, defined to be sleeping less than 8 hours per night. If the survey had 400 participants, how many of those participants had less than 8 hours of sleep per night?

OpenStax Contemporary Mathematics, 3.4 Rational Numbers, exercise 61

AI Tutor

Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.