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QUESTION AND ANSWER:

1. Which of the following events is certainly to happen?

A. Saturday will follow Friday.

B. When mother takes a bath, father is cooking for dinner.

C. When one stares at nothing, he has depression.

D. When I buy lotto tonight, I will be a millionaire tomorrow.

2. Cleaning one’s ears with cotton buds often makes hearing clear. This situation is ________.

A. likely to happen

C. equally likely to happen

B. unlikely to happen

D. impossible to happen

3. It refers to the ratio of the number of times an event occurs to the number of trials in the experiment.

A. Theoretical Probability

C. Experimental Probability

B. Clinical Probability

D. Guessing-Game Probability

For Items 4, 5, and 6, refer to the situation below.

Mr. Ramos put the cards containing the days of the week in a box. Maria will choose a card at random.

4. What is the probability that she will choose a Sunday?

A. 1/7

B. 2/7

C. 3/7

D. 5/7

5. What is the probability that she will choose Saturday or Sunday?

A. 5/7

B. 3/7

C. 2/7

D. 1/7

6. What is the probability that she will choose a day containing the beginning letter of T?

A. 1/7

B. 2/7

C. 3/7

D. 5/7

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