Lesson Worksheet: Probability: Certain, Possible, Impossible Mathematics

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In this worksheet, we will practice using the words “certain,” “possible,” and “impossible” to describe the probability of an event occurring.

Q1:

Is this event certain, possible or impossible?

A goat will fly past the window.

Q2:

Is it possible, impossible, or certain that someone on Earth saw the sun rising in the west this morning?

Q3:

If there are three red balls and nothing else in a bag, is it certain, possible, or impossible that if I pick out a ball at random it will be red?

Q4:

Is it possible, impossible, or certain that someone watches television 4 times a week?

Q5:

State whether the following statement is possible, impossible, or certain: A student goes on a field trip.

Q6:

Is this event certain, possible or impossible?

If I jump up, I will come back down.

Q7:

Is this event certain, possible or impossible?

I will play football this week.

Q8:

Is this event certain, possible or impossible?

If I throw a regular die, I will get a 7.

Q9:

Is this event certain, possible, or impossible? The winter will be colder than the summer.

Q10:

State whether the following is certain, possible, or impossible: A cube has six faces.

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