Probability

Which of these contexts describes a situation that is certain?

• Rolling a number between 1 and 6 (including 1 and 6) on a standard six-sided die, numbered from 1 to 6.

• Spinning a spinner divided into four equal-sized sections colored red/green/yellow/blue and landing on blue or green.

• Winning a raffle that sold a total of 100 tickets if you bought 0 tickets.

• Reaching into a bag full of 17 strawberry chews and 3 cherry chews without looking and pulling out a cherry chew.

Which of these contexts describes a situation that is an equal chance or 50-50?

• Rolling a number between 1 and 6 (including 1 and 6) on a standard six-sided die, numbered from 1 to 6.

• Spinning a spinner divided into four equal-sized sections colored red/green/yellow/blue and landing on red or yellow or green or blue.

• Winning a raffle that sold a total of 100 tickets if you bought all the tickets.

• Reaching into a bag full of 10 strawberry chews and 10 cherry chews without looking and pulling out a cherry chew.

Experimental Probability is:

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

Theoretical Probability is?

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

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CCSS.7.SP.C.5

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

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

• 5/19
• 10/28
• 5/14

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CCSS.7.SP.C.5

What is the probability of selecting an orange candy?

• 0%
• 25%
• 50%
• 100%

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.5

CCSS.7.SP.C.7

How many outfits are possible with 2 pairs of jeans, 5 t-shirts, and 2 pairs of shoes? (Hint: Use a list, tree diagram or the Fundamental Counting Principle.)

• 9

• 40

• 20

• 10

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CCSS.7.SP.C.8

What is the experimental probability of landing on orange or red?

• 2/5
• 3/8
• 3
• 10 times

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7