3-13. The sample space of a random experiment is {a, b, c, d, e, f }, and each outcome is equally likely. A random variable is defined as follows: outcome abc d e f x 0 0 1.5 1.5 2 3 Determine the probability mass function of X

ST 701 Week Four Notes MaLyn Lawhorn September 5, 2017 and September 7, 2017 Independence In words, events A and B are said to be independent if knowledge that B occurred doesn’t change our uncertainty about A. Mathematically, this can be written as if P(B) > 0, then A and B are independent events if P(AjB) = P(A). However, this deﬁnition makes it appear as if direction...