In the triangle below, determine the value of a.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false