Simple Probability Review

On a 6-sided die, which is more likely?

• Rolling an odd number
• Rolling an even number
• They are both equally likely.

Tags

CCSS.7.SP.C.5

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

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

A dice (numbered 1-6) is rolled 20 times.  How many times will a number less than 4 show?

• 5
• 10
• 15
• Never

Tags

CCSS.7.SP.C.6

What is the probability of flipping a coin and getting heads?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

Tags

CCSS.7.SP.C.7A

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

• 3/10
• 3/9
• 1/9
• 1/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Jim has 2 blue, 2 green, and 2 black socks. He picks out 2 socks, one after another. Determine the probability of him getting a matching pair of blue socks. Are these independent or dependent events?

• 1/15, independent
• 1/9, dependent
• 1/9, independent
• 1/15, dependent

Tags

CCSS.HSS.CP.A.5

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

• 2/18
• 1/9
• 2/20
• 1/10

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

If I spin 35 times, how many times should the color yellow show up?

• 1
• 5
• 7
• 10

Tags

CCSS.7.SP.C.6