Probability of Independent Events Quiz

What defines independent events in probability?

• Events that affect each other's outcomes

• Events that do not affect each other's outcomes

• Events that never occur together

• Events that always occur together

If two dice are rolled, what is the probability of the first die showing a six?

• 1/12

• 1/2

• 1/3

• 1/6

What is the probability of rolling an odd number on a die?

• 1/3

• 1/2

• 1/6

• 1/4

How do you calculate the probability of two independent events both occurring?

• Divide their probabilities

• Subtract their probabilities

• Multiply their probabilities

• Add their probabilities

In the bag example, what is the probability of drawing a blue bag first?

• 3/7

• 4/7

• 1/2

• 1/3

What is the probability of drawing a red bag after a blue bag with replacement?

• 3/7

• 1/3

• 2/5

• 1/2

What is the combined probability of drawing a blue bag and then a red bag with replacement?

• 3/7

• 1/6

• 1/12

• 12/49

What is the probability of flipping a head on a coin?

• 1/2

• 1/3

• 1/4

• 1/6

What is the probability of rolling a five on a die?

• 1/4

• 1/3

• 1/2

• 1/6

What is the probability of flipping a head and rolling a five?

• 1/6

• 1/12

• 1/3

• 1/2