Mary earns $123 per week. On a weekly basis, Janice earns a third of what Mary earns per week. Their manager makes 4 times their combined weekly salary, how much does the manager make?

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