3. A college freshman starts the year with $4400 in spending money and after 2 months, he has $3600 left. Assume that he continues to spend his money at this same rate.
(a) Write an equation for spending money he has.

(b) How much money will he have left at the end of 7 1/2 months

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