Probability Quiz

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

Experimental Probability is:

• What Will happen 

• What actually happens based on simulations

• What should happen based on theory

• What I want to Happen

Theoretical Probability is?

• What should happen based on theory

• What actually happens based on simulations

• What Will Happen

• What I want to Happen

P(A') = 

• 3/1

• 3/4

• 1/4

• 1/3

Tags

CCSS.7.SP.C.7B

Find the experimental probability based on the data

{Roll dice: 1, 3, 3, 4, 4}

P(1) =

• 3/5

• 1/6

• 2/5

• 1/5

Tags

CCSS.7.SP.C.6

A letter from the word MATH is chosen at random, then a coin is flipped. What is the probability of choosing the letter "M" and then getting tails?

• 17/26

• 1/8

• 5/13

• 1/6

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.  P(green, black)

• 3/20
• 1/4
• 3/31
• 2/27

You roll a pair of dice. Which equation represents how to find the probability of rolling a 2 and then an odd number? P(2, then odd)

• ⅙ x ½ = 1/12

• ⅙ + ½ = 2/8

•  ½ x ½ = 1/4

• ⅓ + ½ = 5/6

A jar of marbles has 10 green, 7 red, and 3 blue. Find the probability of choosing a red, replacing it, and then choosing a blue.

• 1/2

• 21/400

• 21/380

• 3/20

A poll asked 25 people which gift was their favorite.

The gift of _____ had a probability of 4/25 of being picked.

• Flowers
• Perfume
• Jewelry
• Clothes

Tags

CCSS.7.SP.C.7B