Probability Introduction

Theoretical Probability is?

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

Experimental Probability is:

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

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

If I flip a coin 10 times how many times should I get heads?

• 1
• 10
• 3
• 5

Tags

CCSS.7.SP.C.6

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.7B

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

An unlikely chance event is closer to what number?

• 0
• 10%

• 50%

• 75%

Tags

CCSS.7.SP.C.5

There are 25 counters in a bag: 6 red,
4 white, 7 blue, and 8 yellow. You choose one counter at random. Which color are you least likely to choose? 

• white 
• blue 
• red 
• yellow

Tags

CCSS.7.SP.C.5

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

• 3/10

• 3/6

• 1/9

• 1/3

Tags

CCSS.7.SP.C.7B

An equally likely chance for an event to occur is what number?

• 0%

• 25%

• 50%

• 100%

Tags

CCSS.7.SP.C.5