Probability Definition and Notations

How should the examiner's first concern ('what this is the probability of') be addressed?

• change the subject of the equation to 'P'

• change the subject of the equation to 'P(binomial)'

• change the subject of the equation to 'P(x)'

• change the subject of the equation to 'P(k)'

What's the issue here?

• Only one mathematical representation

• The notations are written incorrectly

• The variables are not defined

• 'Home game' is too informal

The probability of an event occurring, P(A), can be expressed as a fraction, decimal, or percent.

• True

• False

The set of all possible outcomes is called

• the sample space.

• the probability.

• the fundamental counting principle.

• subjective probability.

What is the definition of probability?

• Probability is a measure of the number of possible outcomes.

• Probability is a measure of the average of all possible outcomes.

• Probability is a measure of the likelihood of an event occurring.

• Probability is a measure of the certainty of an event occurring.

What is the P(B)?

• 56/135

• 52/135

• 64/135

• 63/135

Probability can only be values between which two numbers?

• 0 to 2

• 0 to 10

• 0 to 5

• 0 to 1

A list of all possible outcomes

• sample space

• probability

• odds

• experimental probability

What statement does the shaded region represent?

• A or B

• A and B

• A

• B

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4