Notes Over 12.4Probability of EventsProbability of EventsA standard six-sided number cube is rolled. Find the probability of the given event.

B andA BABor A PPPP

3

6

1. an even number or a one

24

6

1

1

60

6

4

3

2 .6670

Notes Over 12.4Probability of EventsProbability of EventsA standard six-sided number cube is rolled. Find the probability of the given event.

B andA BABor A PPPP

1

6

2. a six or a number less than 3

26

1

2

60

6

3

2

1 .50

Notes Over 12.4Probability of EventsProbability of EventsA standard six-sided number cube is rolled. Find the probability of the given event.

B andA BABor A PPPP

3

6

3. an even number or a number greater than 5

24

6

1

6 6

1

6

3

2

1 .50

Notes Over 12.4Probability of EventsProbability of EventsA standard six-sided number cube is rolled. Find the probability of the given event.

B andA BABor A PPPP

3

6

4. an odd number or a number divisible by 3

13

5

2

6 6

1 6

6

4

3

2 .6670

Notes Over 12.4Probability of EventsProbability of Events

5. A weather forecaster says that the probability it will rain on Monday or Tuesday is 40%, the probability it will rain on Monday is 30%, and the probability it will rain on Tuesday is 60%. What is the probability that it will rain on both Monday and Tuesday.

Bor A BAB andA PPPP

3.0 6.0 4.0 .50 50%

Notes Over 12.4Probabilities of ComplementsProbabilities of Complements

Find the probability of the given event.

card face1card facenot PP

1 313 13

01

6. the card is not a face card (face cards are Jacks, Queens, and Kings)

7692.0

Notes Over 12.4Probabilities of ComplementsProbabilities of Complements

Find the probability of the given event.

414 not PP

1 4

13 13

9

7. the card is not less than or equal to 4 (an ace is one)

692.0

Notes Over 12.4