The Addition Rule of Probability

The Addition Rule of Probability

Open Ended

Describe one thing that you enjoyed doing this past weekend.

Poll

On a scale of 1-10, rate your understanding of probability thus far?

• 1

• 2

• 3

• 4

• 5

Multiple Choice

Which of the following canNOT be a probability?

• 0

• 0.5

• 1

• 1.5

Fill in the Blank

Find the probability of randomly selecting a blue marble. [Write your answer as a simplified fraction. ]

Mutually Exclusive or Not

Poll

Classify the following two events.

Event A: Even number

Event B: Multiple of 3

• Mutually Exclusive (Disjoint)

• Not Mutually Exclusive (Not Disjoint)

Poll

Classify the following two events.

Event A: Number greater than 5

Event B: Number less than 6

• Mutually Exclusive (Disjoint)

• Not Mutually Exclusive (Not Disjoint)

Poll

Classify the following two events.

Event A: Older than 30 years of age

Event B: At least 18 years of age

• Mutually Exclusive (Disjoint)

• Not Mutually Exclusive (Not Disjoint)

Poll

Classify the following two events.

Event A: Having no more than 5 siblings

Event B: Having 8 sisters

• Mutually Exclusive (Disjoint)

• Not Mutually Exclusive (Not Disjoint)

The Addition Rule of Probability

Mutually Exclusive Events (Disjoint)

Fill in the Blank

Show the work to find the probability of randomly selecting a non-smoker or light smoker.

Fill in the Blank

Show the work to find the probability of randomly selecting a non-smoker or a heavy smoker.

Fill in the Blank

Show the work to find the probability of selecting a student whose favorite color is red or black.

The Addition Rule of Probability

Not Mutually Exclusive Events (Not Disjoint)

Fill in the Blank

Show the work to find the probability of randomly selecting a non-smoker or a woman.

Fill in the Blank

Show the work to find the probability of randomly selecting a man or a light smoker.

Fill in the Blank

Show the work to find the probability of selecting a student that is a boy or whose favorite color is blue.

The Addition Rule of Probability

Without a Table

Fill in the Blank

A sample of 100 wood and 100 graphite tennis rackets are taken from the warehouse. If 7 wood and 14 graphite are defective, show the work to find the probability that the racket is wood or defective.

Fill in the Blank

A spinner has equal regions numbered 1 through 15. Show the work to find the probability that the spinner will stop on an even number or a multiple of 3?