Probability Rules: Addition, Multiplication, and Complement Rule

If you draw one card from a standard deck, what is the probability of drawing a 5 or a diamond?

• 2/52

• 4/52

• 4/13

• 26/52

If you roll one die, what is the probability of getting an even number or a multiple of 3?

• 1/3
• 2/3
• 1/2
• 1/6

What is the probability of spinning green or blue?

• 0
• 5/12
• 1/2
• 3/4

What is the probability of choosing a vowel from the alphabet?

• 21/26
• 5/26
• 1/21
• 7/21

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens

Theoretical Probability is?

• What Should happen
• What does happen
• What Will Happen
• What I want to Happen

In a math class of 30 students, 17 are boys and 13 are girls. On a unit test, 4 boys and 5 girls made an A grade. If a student is chosen at random from the class, what is the probability of choosing a girl or an A student?

• 22/30

• 17/30

• 13/30

• None of the above

A bag contains some red-colored and some blue-colored marbles. First a red-colored marble is drawn and then, without replacing the first marble, a blue-colored marble is drawn. Are the two events dependent or independent?

• Independent
• Dependent

Is the event INDEPENDENT or DEPENDENT?
The spinner is spun twice.  What is the probability that it lands on red first and then blue?

• Independent
• Dependent

Suppose a number cube is rolled twice. What is the probability that an odd number will show both times?

• 12/36

• 18/36

• 6/36

• 9/36