Probability Review (1)

The probability of an event is 5/6. Which word best describes this probability?

• Impossible

• Unlikely

• Likely

• Certain

A bag contains four types of coins- pennies, nickles, dimes, and quarters. The probability of drawing a quarter is 1/2, drawing a dime 1/4, drawing a nickle is 1/5. What is the probability that you draw a penny?

• 1/5

• 3/10

• 1/20

• 1/2

Bill has a bag that contains 9 Florida state quarters, 12 Alabama state quarters, and 7 Georgia state quarters. He will randomly select one quarter. What is the probability that Bill will select an Alabama state quarter?

• 3/7

• 1/4

• 2/15

• 12

A jar contains 8 red and 14 blue marbles. A marble is drawn at random. P(red).

• 4/7

• 4/11

• 9/10

• 1/2

Fresh Market has fresh fruit for sale. So far today, 10 apples, 20 bananas, and 50 oranges have been sold. What is the experimental probability that the next piece of fruit sold will be a banana?

• 7/8

• 1/2

• 2/3

• 1/4

Ashley flipped a coin 50 times and recorded her results in the table. 
What is the theoretical probability of landing on heads? 

• 1/2

• 1

• 0

• 3/4

A coin was flipped 50 times. The results are recorded in the table. What is the experimental probability that you land on heads?

• 1/2

• 13/25

• 12/50

• 1/7

Based on the experiment, if a coin is flipped 300 times, which statement is true regarding the number of times you would expect to land on heads?

• 200; 50 less times than theoretically expected

• 200; 50 more times than theoretically expected

• 156; 6 more times than theoretically expected

• 156; 6 less times than theoretically expected

A bag contains 12 blue marbles, 6 green marbles, and 4 red marbles. If one marble is chosen, what is the probability that it will be green?

• 3/11

• 1/2

• 2/5

• 1/4

A bag contains 12 blue marbles, 6 green marbles, and 4 red marbles. If one marble is chosen, what is the probability that it will be not be blue?

• 1/22

• 9/22

• 5/11

• 1/2