Quiz about Grade 8 Probability

Question 1

Probability is ...

Accepted Answer

the chance that some event will occur.

Answer

a game that involves coins.

Answer

a guarantee.

Question 2

Probability can be written as ...

Accepted Answer

all of the above

Answer

a fraction

Answer

a decimal

Answer

a percent

Question 3

How do you write 0.02 as a percent?

Accepted Answer

2%

Answer

20%

Answer

200%

Answer

.02%

Question 4

Change this decimal to a percent.
0.52

Accepted Answer

52%

Answer

528%

Answer

5.28%

Answer

.5%

Question 5

If you were to roll the die one time what is the probability of it landing on a 2?

Accepted Answer

1 out of 6

Answer

2 out of 6

Answer

2 out of 2

Answer

1 out of 1

Question 6

What is the probability of flipping a coin and getting heads?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

Never, Tails never fails.

Question 7

What is the probability of spinning green? Remember to simplify!

Accepted Answer

1/4

Answer

0

Answer

1/2

Answer

3/4

Question 8

What is the probability of spinning red?

Accepted Answer

5/12

Answer

0

Answer

1/2

Answer

3/4

Question 9

The theoretical probability of rolling an even number on a dice.

Accepted Answer

1/2

Answer

3/6

Answer

1/6

Answer

5/6

Question 10

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

Accepted Answer

1/10

Answer

2/18

Answer

1/9

Answer

2/20

Question 11

What is the probability you spin something larger than 10

Accepted Answer

3/8

Answer

5

Answer

3/10

Answer

10/15

Question 12

Harry spins this spinner. Describe an event that is unlikely to happen, but not impossible.

Accepted Answer

Spinning a multiple of 3

Answer

Spinning an odd number

Answer

Spinning a number greater than 5

Answer

Spinning an even number

Answer

Spinning a number less than 20

Question 13

Find the probability of drawing a 10 from a standard deck of 52 cards. Remember to simplify!

Accepted Answer

1 out of 13

Answer

1 out of 52

Answer

13 out of 52

Answer

26 out of 52

Question 14

There are 25 counters in a bag: 6 red,
4 white, 7 blue, and 8 yellow. You choose one counter at random. Which color are you least likely to choose?

Accepted Answer

white

Answer

blue

Answer

red

Answer

yellow

Question 15

Ichiro has a set of 20 cards that each show a different number, as shown. Ichiro will randomly select one of these cards. What is the probability that the card he selects will be a prime number? (a prime # is a number that can only be divided evenly by 1 or itself).

Accepted Answer

8/20

Answer

8/12

Answer

1/8

Answer

10/20

Question 16

Shelly has a bag with 8 white balls, 9 red balls, 13 green balls, and 10 orange balls. If she chooses a ball from the bag without looking, which color ball will Shelly be most likely to choose?

Accepted Answer

green

Answer

white

Answer

red

Answer

orange

Question 17

The chart below represents the number of marbles in a jar.
P(green) =

Accepted Answer

5/19

Answer

10/28

Answer

5/14

Question 18

What is the probability of the spinner landing on an odd number?

Accepted Answer

4/8

Answer

4/4

Answer

1/4

Answer

1/3

Question 19

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

Accepted Answer

1/3

Answer

3/10

Answer

3/9

Answer

1/9

Question 20

Is it certain or impossible for the spinner to land on orange?

Accepted Answer

imposssible

Answer

certain

Question 21

I have 4 yellow marbles and 8 blue marbles in a bag. What is the probability that I will pick a blue?

Accepted Answer

Likely

Answer

Unlikely

Answer

Certain

Answer

Impossible

Question 22

A bag contains 7 blue marbles and 7 green marbles.  Which shows the likelihood of choosing a blue marble?

Accepted Answer

As likely as not

Answer

Impossible

Answer

Unlikely

Answer

Certain

Question 23

What is the Theoretical Probablility of landing on red?

Accepted Answer

33.3%

Answer

43%

Answer

40%

Answer

36%

Question 24

Jared places five cards that are labeled 1 to 5 face down on the table and mixes them up.  What is the likelihood that his friend Logan will draw an even-numbered card?

Accepted Answer

Unlikely

Answer

Impossible

Answer

As likely as not

Answer

Certain

Question 25

Find the probability of drawing a 10 from a standard deck of 52 cards.

Accepted Answer

4 out of 52

Answer

1 out of 52

Answer

13 out of 52

Answer

26 out of 52

Question 26

The probability of an event occurring, P(A), can be expressed as a fraction, decimal, or percent.

Accepted Answer

True

Answer

False

Question 27

A set of all possible outcomes is known as -

Accepted Answer

a sample space

Answer

a list

Answer

a complement

Answer

an event

Question 28

What is an outcome?

Accepted Answer

The result of an experiment

Answer

The chance or likelihood of an event

Answer

A fraction, decimal, or a percent

Answer

An activity that gives various results

Question 29

There is 4 blue marbles, 6 red marbles, 2 yellow marbles and 1 white marble in the bag. What is the probability of randomly choosing a yellow marble?

Accepted Answer

2/13

Answer

2/11

Answer

2/12

Answer

2/14

Answer

2/15

Question 30

If I flip a coin 10 times how many times should I get heads?

Accepted Answer

5

Answer

1

Answer

2

Answer

3

Answer

10

Question 31

A box contains 6 sugar cookies, 2 peanut butter cookies, and 7 chocolate chip cookies. What is the probability of picking a a sugar cookie from the box?

Accepted Answer

40%

Answer

25%

Answer

60%

Answer

84%

Question 32

Sovann spins a spinner that is split into 10 equal sections.  The sections are labeled 3,1,2,3,2,3,1,2,3,3.  What is the probability that the spinner will land on the number 1?

Accepted Answer

1/5

Answer

1/10

Answer

3/10

Answer

1/2

Question 33

What is the probability of rolling 15 with a pair of dice?

Accepted Answer

impossible

Answer

unlikely

Answer

likely

Answer

equal

Answer

possible

Grade 8 Probability

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