# Worksheet: Telling Whether Events Are Certain, Likely, Unlikely, or Impossible

In this worksheet, we will practice telling whether events are certain, likely, unlikely, or impossible.

Q1:

Is this event certain, possible or impossible?

I will play football this week.

• Acertain
• Bimpossible
• Cpossible

Q2:

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

• Apossible
• Bimpossible
• Ccertain

Q3:

Is this event certain, possible or impossible?

A goat will fly past the window.

• Acertain
• Bpossible
• Cimpossible

Q4:

Is this event certain, possible or impossible?

If I jump up, I will come back down.

• Apossible
• Bimpossible
• Ccertain

Q5:

Is this event certain, possible or impossible?

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

• Apossible
• Bcertain
• Cimpossible

Q6:

What is the probability of an impossible event?

Q7:

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?

• A impossible
• B possible
• C certain

Q8:

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

• A impossible
• B certain
• C possible

Q9:

Complete using certain, likely, or impossible: It is that a shark could swim to the moon and live happily.

• Acertain
• Blikely
• Cimpossible

Q10:

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

• A possible
• B impossible
• C certain

Q11:

What is the probability of a man living forever?

• Abetween 0 and 1
• B1
• C0

Q12:

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

• A possible
• B certain
• C impossible

Q13:

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

• A certain
• B impossible
• C possible

Q14:

A spinner is divided into 10 equal sectors numbered 1 through 10. If the spinner is spun, is it certain, likely, unlikely, or impossible that it lands on a number less than 4?

• Aimpossible
• Blikely
• Ccertain
• Dunlikely

Q15:

What is the probability of the weather tomorrow being sunny?

• A0
• B1
• Cbetween 0 and 1

Q16:

Which of the following might represent a probability?

• A
• B
• C 1.8
• D

Q17:

Shady has 19 coloured beads in a bag: 2 are red, 6 are blue, 4 are green, and the rest are yellow. If he selects one at random without looking, is it certain, likely, unlikely, or impossible that a yellow bead is chosen?

• Aimpossible
• Blikely
• Ccertain
• Dunlikely

Q18:

Fares writes numbers on separate pieces of paper. He puts the pieces of paper in a bag and selects one without looking. The number 1 is written on 9 pieces of paper, the number 2 is written on 8 pieces of paper, and the number 3 is written on 6 fewer pieces of paper than the number 2. Is it certain, likely, unlikely, or impossible that he picks the number 1 or 2?

• Aimpossible
• Bunlikely
• Ccertain
• Dlikely

Q19:

If this spinner is spun once, it is certain, likely, unlikely, or impossible that it stops on an even number?

• Alikely
• Bimpossible
• Cunlikely
• Dcertain

Q20:

What is the probability of an impossible event?

Q21:

What is the probability of an event that is certain to occur?

Q22:

A spinner has 35 equal sections of which are blue, are red, are orange, and are purple. When the spinner is spun, it is equally likely that the pointer lands on any of the sections. What is the most probable colour for the spinner to land on?

• ARed
• BOrange
• CPurple
• DBlue

Q23:

What is the probability of rolling a number which is greater than 6 on a fair die?