In a survey at a local universit, 25% of students say that they get less than the recommended eight hours of sleep per night. In a group of 4900 students,how many would you expect get eight or more hours of sleep per night?
____ students get eight or more hours of sleep per night.
Thank You again
In a survey at a local universit, 25% of students say that they get less than the recommended eight hours of sleep per night. In a group of 4900 students,how many would you expect get eight or more hours of sleep per night?
____ students get eight or more hours of sleep per night.
Thank You again
Since 25% get less than 8 hours, it therefore means that:
75% X 4,900=75/100 X 4,900=3,675 students who get 8 or more hours of sleep.
