Simple Probability review

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of drawing a red?

• 3/10
• 3/9
• 1/9
• 1/3

Tags

CCSS.7.SP.C.7B

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

You pick a marble from this bag.
What is the probability you will choose either a black or a white marble?
*remember to simplify* 

• 3/5
• 4/10
• 3/10
• 6/10

If you were to roll the die one time what is the probability of it landing on a 2?

• 2 out of 6
• 2 out of 2
• 1 out of 6
• 1 out of 1

Tags

CCSS.7.SP.C.7A

What is the probability of rolling an even number on a die?

• impossible
• unlikely
• equally likely
• likely

Tags

CCSS.7.SP.C.5