Ch5 - Probability

Question 1

Venn diagrams

Answer 1

Represents events graphically with frequencies and probabilities placed in regions of venn diagrams.

Question 2

Mutually exclusive

Answer 2

P(A or B) = P(A) + P(B)

P(A and B) = 0

Question 3

Independent

Answer 3

P(A and B) = P(A) x P(B)

Question 4

If A and B are independent

Answer 4

The probability of A happening is the same whether or not B happens

Question 5

Tree Diagram

Answer 5

Showing outcomes of two or more events happening in succession.

Question 6

Experiment

Answer 6

Repeatable process that gives rise to a number of outcomes

Question 7

Event

Answer 7

Collection of one or more outcomes

Question 8

Sample Space

Answer 8

Set of all possible outcomes

Question 9

Where outcomes are equally likely

Answer 9

the probability of an event is the number of outcomes in the event divided by the total number of possible outcomes