Chapter 6

Question 1

numerical measure of the outcome of a probably experiment - its value is determined by chance

Answer 1

random variable

Question 2

random variable with either a finite or countable number of values - plotted on a line with space between each point

Answer 2

discrete random variable

Question 3

random variable with an infinite number of values - plotted on a line in an uninterrupted fashion

Answer 3

continuous random variable

Question 4

table/graph/formula that provides the possible values of a discrete random variable and their corresponding probabilities

Answer 4

probability distribution

Question 5

mean of a random variable - represents what is expected to happen in the long run

Answer 5

expected value

Question 6

discrete probability distribution that describes probabilities for experiments in which there are two mutually exclusive (disjoint) outcomes - success/failure

Answer 6

binomial probability distribution

Question 7

each repetition of a binomial experiment

Answer 7

trial

Question 8

branching diagram showing all possible outcomes of trials in a binomial experiment

Answer 8

tree diagram