Aplumber has a piece of copper tubing that is 112.8 inches long. he needs to cut the tubing into 12 equal pieces to repair some leaky pipes. how long will each piece of tubing be?

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