During a sale, every item in a store is 80% of its regular price. 1.If the regular price of a T-shirt is$10, what is its sale price? 2.The regular prices of five items are shown here. Find the sale price of each item

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