Probability Part 1 Basic Probability

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

Experimental Probability is:

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

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

The chart below represents the number of marbles in a jar.
P(green) = 

• 5/19
• 10/28
• 5/14

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

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

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

What is the probability of rolling a cube and having it land as a six?

• 1/6
• 5/6
• 1/3
• 1/2

Tags

CCSS.7.SP.C.7A

What is the probability of spinning the spinner and having it land on Green?

• 1/4 or 25%
• 1/3 or 33%
• 1/5 or 20%

Tags

CCSS.7.SP.C.7B

What is the probability of spinning red on this spinner?

• 1/5
• 1/10
• 3/10
• 2/5

Tags

CCSS.7.SP.C.7B

How many spotted marbles?

• 3

• 7

• 12

• 2