Probability Quiz Feb 3-2

Fifty people purchase raffle tickets. Three winning tickets are selected at random. If first prize is $1000, second prize is $500, and third prize is $100, in how many different ways can the prizes be awarded?

• Permutation

• Combination

• Both

• Neither

If an event is certain to occur, what is its probability?

• 0

• 0.5

• 1

• 0.25

What is the sample space when a die is rolled once?

• {1,2,3,4,5,6}

• {1,2,3,4,5}

• {2,3,4,5,6}

• {1,2,3,4}

You are dealt one card from a standard 52-card deck. What is the probability of being dealt a red card?

• 1/2

• 1/4

• 1/3

• 1/13

How is the empirical probability of an event E calculated?

• Total number of occurrences divided by observed number of times E occurs

• Observed number of times E occurs divided by total number of observed occurrences

• Observed number of times E occurs multiplied by total number of observed occurrences

• Total number of observed occurrences minus observed number of times E occurs

What is another name for empirical probability?

• Theoretical probability

• Experimental probability

• Predictive probability

• Hypothetical probability

Which of the following is NOT a component of empirical probability?

• Observed number of times E occurs

• Total number of observed occurrences

• Predicted number of times E occurs

• Frequency of event occurrence

What is the primary focus of empirical probability?

• Predicting future events

• Observing past events

• Calculating theoretical outcomes

• Ignoring data