Module 4 - Basic Probability

Question 1

Define Random experiment?

Answer 1

A process that results in one of a number of possible different outcomes

Question 2

Define sample space?

Answer 2

The set of all possible simple events or outcomes

Question 3

Define probability?

Answer 3

The extent to which something is likely to happen.

Question 4

Define probability tree?

Answer 4

A depiction of events as branches of a tree

Question 5

What are the rules of probability?

Answer 5

Complement
Union
Intersection of events

Question 6

What are rules of probability used for?

Answer 6

They are used to calculate the probabilities of complex events

Question 7

What is the compliment rule?

Answer 7

The probability of an event equals one minus the probability of its complement.

Question 8

What is the union rule?

Answer 8

An event consisting of all outcomes from two events.

Question 9

What is the intersection rule?

Answer 9

A joint event consisting of common outcomes from two events.

Question 10

Two events that cannot happen at the same time are called?

Answer 10

Mutually exclusive

Question 11

Two events that have no influence on each other are called?

Answer 11

Independent(Independence)