Introduction to Probability Quiz

Which of the following is an experiment?

• S = {red, yellow, blue}.

• Picking a card

• A die landing on an even number

• All of the above

Which of the following is an outcome?

• Rolling a pair of dice.

• A die landing on an even number

• Choosing 2 marbles from a jar.

• None of the above

What is the set of all outcomes in an experiment?

• Event

• Experiment

• Union of Events

• Sample Space

What is an event that consists of single outcome?

• Compound Event

• Elementary/Simple event

• Intersection of Events

• Union of Events

There are 4 blue pens, 6 red pens, and 2 green pens in a bag. If a pen is drawn at random from the bag, what is the probability that blue pens were drawn?

• 1/2

• 1/3

• 2/3

• 1/6

A letter is drawn from the word: PROBABILITY, what is the probability of getting a vowel?

• 1/2

• 1/3

• 4/11

• 5/11

A letter is drawn from the word: PROBABILITY, what is the probability of getting a consonant?

• 1/2

• 2/3

• 6/11

• 7/11

In a book, you want to randomly open a page. What is the probability of opening an odd-numbered page given that the book consists of 50 pages?

• 1/2

• 24/50

• 2/3

• 1/50

What is the probability of getting a consonant in Filipino alphabet?

• 21/26

• 21/28

• 23/26

• 23/28

What is the probability of getting a vowel in Filipino alphabet?

• 5/26

• 5/28

• 3/26

• 7/28