Module 2: Probability

Question 1

It refers to the study of randomness and uncertainty.

Answer 1

Probability

Question 2

It is a set of all possible outcomes of a random process. Generally denoted using the letter S

Answer 2

sample space

Question 3

It is a subset of a sample space. It is a collection of elements from a sample space

Answer 3

event

Question 4

A ___ representation is useful in determining a sample space for an experiment

Answer 4

tree diagram

Question 5

Are often convenient and effective fro displaying sample spaces, events, and relations among different events. A pictorial representation of events and a sample space that makes use of circles.

Answer 5

Venn diagrams

Question 6

The ___ of an event is the set of all possible outcomes in a sample space that do not belong to the event.

Answer 6

complement

Question 7

is a set of all possible outcomes that belong to at least one of two events

Answer 7

union of events

Question 8

is a set of all possible outcomes that belong to both events

Answer 8

intersection of events

Question 9

Are events that have no outcome in common. It cannot occur together

Answer 9

disjoint or mutually exclusive events

Question 10

A measure of the likelihood of an event. Generally denoted by P(event)

Question 11

There are possible outcomes for the two tasks together

Answer 11

product rule

Question 12

Is the number of ordered arrangements, of r objects selected from n distinct objects. Each separate arrangement of all part of a set of items

Answer 12

permutation

Question 13

is the number of distinct subsets, or combinations, of suze r that can be selected from n distinct objects

Answer 13

combination