Each week four teachers share a 60-minute lunch duty equally. They also share five 20-minute after-school duties equally. a. Write a rate that compares the number of minutes of weekly lunch duty to the number of teachers. Write a unit rate for the number of minutes of weekly after-school duty for each teacher.

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true