Probability Vocabulary Review

A standard bridge deck has ______ cards with four suits.

• 52

• 54

• 56

• 40

• 50

True or False: The probability of an event can never equal 0.

• false

• true

True or False: In a probability model, the sum of all probabilities is 1.

• true

• false

If the occurrence of one event has no effect on the probability of another event, the events are said to be ____

• independent

• dependent

What is probability?

• How fast something happens

• I have no idea and I am just clicking random boxes.

• The likelihood an event will occur on a scale of 0-100

• The likelihood an event will occur on a scale of 0%-100%

How do you find the theoretical probability of rolling a 4 on a standard number cube numbered 1-6?

• The # of sides with a 4 on it/total number of sides on the die, so the answer is 1/6.

• The # 4/total number of sides on the die, so the answer is 4/6

• You cannot calculate the theoretical probability of rolling a 4 on the die without data.

• The theoretical probability of rolling a 4 on a die is 50%.

Which word describes a 43% probability?

• Impossible

• Less Likely

• Even Chance

• More Likely

• Certain

Which word describes a 50% probability?

• Impossible

• Less Likely

• Even Chance

• More Likely

• Certain

Which word describes a 99% probability?

• Impossible

• Less Likely

• Even Chance

• More Likely

• Certain

Which word describes a 0% probability?

• Impossible

• Less Likely

• Even Chance

• More Likely

• Certain