Probability

Experimental Probability is:

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

Theoretical Probability is?

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

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

A likely chance event is closer to what number?

• 0
• 1
• .5
• 100

Tags

CCSS.7.SP.C.5

An unlikely chance event is closer to what number?

• 0
• 1
• 2
• 3

Tags

CCSS.7.SP.C.5

A piggy bank contains 4 quarters, 18 dimes, 10 nickels, and 8 pennies. A coin is chosen at random, not replaced, then another is chosen. Find each probability.

P (penny, then dime).

• 1/8

• 9/100

• 6/65

• 17/195

Find the probability of each set of independent events.

drawing a black checker from a bag of 6 black checkers and 4 red checkers, replacing it, and drawing another black checker.

• 2/3

• 9/25

• 2/5

• 3/5

Find the probability of each set of independent events.

rolling a six on the first roll of a 1-6 number cube and rolling an odd number on the second roll of the same cube.

• 1/12

• 1/6

• 1/8

• 1/2

A standard die is rolled twice. Find each probability.

P (prime, then 6)

• 1/2

• 2/3

• 1/9

• 1/12

Find the probability of each set of independent events.

flipping a tail on a coin and spinning a 5 on a spinner with sections of equal area numbered 1-5.

• 1/2

• 1/7

• 1/5

• 1/10