The latest G-EZ concert charged $15 per child ticket and $20 per adult ticket. There was a total of 450 people at the concert and $7500 in ticket sales. How many adults attended
the concert?

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