Probability

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

Tags

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

In the media cabinet at Jackie's house, there are 7 comedy DVD's, 4 mystery DVD's, and 4 documentary DVD's. What is the probability of randomly selecting a mystery DVD from the cabinet?

• 8/15

• 1/2

• 4/15

• 1/4

• 4/5

Ms. Mitchells' coin purse has 20 coins. There are 6 pennies, 4 quarters, 3 dimes, and the remainder are nickels. What is the theoretical probability of randomly selecting a nickel from Ms. Mitchells' coin purse?

• 1/3

• 7/20

• 4/5

• 1/4

• 1/6

A coin is tossed in the air four times. If the experimental probability of landing on tails is 1/4, then what is the difference between the experimental and theoretical probability?

• 1/4

• 1/2

• 1/3

• 4/5

• 8/15

During a team building game, participants reach into a bag and randomly select a colored flag, which determines their team. If there are 7 green flags, 5 red flags, and 3 yellow flags, then what is the theoretical probability of selecting a red flag?

• 1/4

• 1/6

• 4/15

• 8/15

• 1/3

How many outfits are possible with 2 pairs of jeans, 5 t-shirts, and 2 pairs of shoes? (Hint: Sample Space)

• 9

• 40

• 20

• 10

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

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3
• 1/10
• 3/10
• 30%

Tags

CCSS.7.SP.C.5