Chapter 6

Question 1

_____ is the branch of mathematics that describes the pattern of chance outcomes

Answer 1

Probability

Question 2

The mathematics of probability begins with the observed fact that some phenomena are ____. The ___ ______ of their outcomes settles down to fixes values in the long run

Answer 2

Random, relative frequency

Question 3

Chance behavior is ______ in the short run, but regular and predictable in the long run

Answer 3

Unpredictable

Question 4

___ is not a synonym of “haphazard,” but a description of the kind of order that emerges in the long run

Answer 4

Random

Question 5

The probability of any outcome of random phenomenon is the _____ of times the outcome would occur in a very long series of repetitions

Answer 5

Proportion

Question 6

A random trial must have a very long series of ______ trials

Answer 6

Independent

Question 7

A _____ ____ is the set of all possible outcomes

Answer 7

Sample set

Question 8

An ___ is any outcome or any set of outcomes

Answer 8

Event

Question 9

A ____ ____ is a mathematical description of a sample space and a way of assigning probabilities to events

Answer 9

Probability model

Question 10

A ___ ____ helps make sure you don’t overlook any outcomes

Answer 10

Tree diagram

Question 11

To properly identify a sample space, you must determine whether it is with or without ______

Answer 11

Replacement

Question 12

Any probability is a number between ____ and _____

Answer 12

One, zero

Question 13

All possible outcomes together must have a probability of ____

Answer 13

One

Question 14

He probability an event does not occur is ___ minus the probability it ____. This is called the _______

Answer 14

One, does, compliment

Question 15

If two events have no outcomes in common, meaning they cannot occur at the same time, then they are called _____ and ____ ______

Answer 15

Disjoint, mutually exclusive

Question 16

If two events have no outcomes in common, then P(A or B)= __ __ _ __ __

Answer 16

P(A) + P(B)

Question 17

____ is the set of all outcomes in A or in B

Answer 17

Union

Question 18

_____ is the set of all outcomes in both A and B

Answer 18

Intersection

Question 19

____ represents no intersection or the empty set

Answer 19

Zero with a line through it

Question 20

Two events A and B are _____ if knowing that one occurs does not change the probability that the other occurs. If A and B are this way, P)( A and B)= __ __ __ __

Answer 20

Independent, P(A)P(B)