Probability Review - Single and Compound Independent Events

What is the probability of spinning green? (a)  

• 0
• 1/4
• 1/2
• 3/4

Match the following probabilities:

• Likely

• Impossible

• Even Chance

• 1

• Unlikely

• Certain

• 0

Clara picks a marble at random, puts it back, and then picks another marble at random. (a)  

• Dependent
• Independent

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red? (a)  

• 3/10
• 3/9
• 1/9
• 1/3

A bag contains 9 green marbles, 5 yellow marbles and 6 red marbles.  You choose one marble.   What is the probability of selecting a green or red marble?  Do you add or multiply probabilities? (a)  

• Add
• Multiply

A die is rolled. What is the probability of rolling a 5 or a number equal to or greater than 3? (a)   ​

• 2/3
• 1/2
• 5/6
• 1

Probability of:

Spinning a 3

Drawing an A

• 2/8

• 1/4

• 1/16

• 1/8

Probability of:
Spinning a 1
Drawing an A

• 1/4
• 3/8
• 4/12
• 3/32

A bag has 6 black checkers and 4 red checkers.

Find the probability of drawing a black checker from a bag , replacing it, and drawing another black checker.

• 2/3

• 9/25

• 2/5

• 3/5

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

• 17/26
• 1/13
• 5/13
• 5/26