The owner of a stereo store wants to advertise the he has many different sound system in stock. The store carries 9 different CD players, 7 different receivers, and 8 different speakers. Assuming a sound system consists of one of each, how many different sound systems can be advertise?

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