Chapter 5

Question 1

is a variable whose values are determined by chance.

Answer 1

random variable (X)

Question 2

is a random variable who’s possible values can be listed

Answer 2

discrete random variable

Question 3

can assume any values on an interval

Answer 3

continuous random variable

Question 4

is composed of the values that the random variable can assume and the probability that is assumes those values.

Answer 4

discrete probability distribution

Question 5

is the long run average squared distance that it is from its mean it is computed.

Answer 5

variance of a random variable

Question 6

Binomial experiment satisfies these things:

Answer 6

1. there is a fixed number of trials
2. each trial has 2 possible outcomes, generally called “success” or “failure” or S or F for short
3. trials are independent
4. the probability of success is the same for trials