AMDM Quiz Probability

In a box of objects, there are many shapes and colors. Exactly 10% of the objects are round and exactly 15% of them are red. If round objects and red ones are mutually exclusive, what is the probability that a shape chosen randomly is both red and round?

• 0%

• 5%

• 15%

• 25%

If you roll one die, what is the probability of getting an odd number or a 4?  Are the events inclusive or mutually exclusive?

• Inclusive
• Mutually exclusive
• 1/2
• 1/6

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?

• Add
• Multiply

If you roll two dice, how many ways can you roll a 9?

• You can't get 9
• 2
• 3
• 4

A die is rolled.  What is the probability of rolling a 5 or a number greater than 3?

• 2/3
• 1/2
• 5/6
• 1

What percentage of girls have blonde hair?

• 30%
• 32%
• 29%
• 40%

P(Freshman or Pizza):

• 27/50
• 4/50
• 3/50
• 2/11

P(Fr ∩ M)

• 311/1792

• 1247/1792

• 311/517

• 1558/1792

Victor picks a card at random. Without putting the first card back, he picks a second card at random.

• Dependent
• Independent

Tree Diagram

• A written list of all possible outcomes
• A description of all possible outcomes
• A drawing with branches of all possible outcomes