TOPIC 2. PROBABILITY

Question 1

A strength of mathematics looking at the chance of events occurring

Answer 1

Probability

Question 2

It is the science of chances and probabilities

Answer 2

Probability

Question 3

It is the entire collection of data

Answer 3

Population

Question 4

It is a subset of the population

Answer 4

Sample

Question 5

Utilizes probability in making inferences or predictions

Answer 5

Inferential statistics

Question 6

It is the process by which an observation or measurement is obtained

Answer 6

Experiment

Question 7

It is the process that generates sets of data

Answer 7

Experiment

Question 8

Experiment resulting in different outcomes even repeated in the same manner

Answer 8

Random experiment

Question 9

Recording of information

Answer 9

Observation

Question 10

It is a set of all possible outcomes of a statistical experiment

Answer 10

Sample space

Question 11

Each outcome in a sample space

Answer 11

Element or member or sample point

Question 12

It is the subset of a sample space or a collection of outcomes

Answer 12

Event

Question 13

Describing a sample space with large number of sample points

Answer 13

Statement method or rule method

Question 14

Describing a sample space by listing all sample points

Answer 14

Listing method

Question 15

Four types of events

Answer 15

Null set, compliment, intersection and union

Question 16

A type of event that contains no elements at all

Answer 16

No sent

Question 17

A complement of event a with respect to us is the set of all elements that are not you event

Answer 17

Compliment

Question 18

Event that are common to both events key word is “and”

Answer 18

Intersection

Question 19

Event containing all elements that belong to either of the events. Keyword “or”

Answer 19

Union

Question 20

An arrangement or order of all or part of a set of objects

Answer 20

Permutation

Question 21

Number of ways of partitioning of set of n objects into r cells

Answer 21

Combination

Question 22

It is a science determining how likely an event to occur

Answer 22

Probability

Question 23

Two or more events that have no common outcomes are said to cannot occur simultaneously

Answer 23

Mutually exclusive

Question 24

The probability of an event be occurring when it is known that some event a has occurred and denoted as P(B/A)=P(A UNION B)/P(A)

Answer 24

Conditional probability