Conditional Probability Quiz

What is the probability that a snake is two feet long if it is known to be red?

• 1/2

• 2/5

• 3/5

• 4/5

If a student is uncertain, what is the probability they believe the balloon will shrink?

• 1/2

• 1/3

• 1/4

• 3/4

What is the probability that a bowtie is designed with zig-zag patterns if it is made of velvet?

• 12/19

• 11/19

• 10/19

• 9/19

Given that a pair of sunglasses has polarized lenses, what is the probability it has aviator frames?

• 5/23

• 6/23

• 8/23

• 7/23

Which of the following is a correct interpretation of conditional probability?

• The probability of an event not occurring given that another event has occurred.

• The probability of two independent events occurring simultaneously.

• The probability of an event occurring given that another event has already occurred.

• The probability of an event occurring without any given condition.