A golf ball is selected at random from a golf bag. If the golf bag contains 5 orange balls, 3 red balls, and 15 green balls, find the probability of the following event. The golf ball is orange or red. The probability that the golf ball is orange or red is nothing. (Type an integer or a decimal rounded to three decimal places as needed.)

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