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Introduction to Chance

Total questions: 20

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

An event has a 50% chance of happening. This event is ___.

a)

Impossible

b)

Unlikely

c)

Even Chance

d)

Likely

e)

Certain

2.

An event has a 0% chance of happening. This event is ___.

a)

Impossible

b)

Unlikely

c)

Even Chance

d)

Likely

e)

Certain

3.

An event has a 75% chance of happening. This event is ___.

a)

Impossible

b)

Unlikely

c)

Even Chance

d)

Likely

e)

Certain

4.

An event has a 100% chance of happening. This event is ___.

a)

Impossible

b)

Unlikely

c)

As likely as not

d)

Likely

e)

Certain

5.

Something that is unlikely has a probability of ...

a)

Between 1 and 2

b)

Between 0.5 and 1

c)

Between 0 and 0.5

6.

If you select a marble without looking, how likely is it that you will pick a black one?

a)

certain

b)

probable/likely

c)

unlikely

7.

If you spin this spinner once, what is the probability of landing on a number greater than 0?

a)

certain

b)

impossible

c)

unlikely

8.
What is the probability of spinning green?
a)
0
b)
1/4
c)
1/2
d)
3/4
9.
What is the probability of spinning red?
a)
0
b)
5/12
c)
1/2
d)
3/4
10.
How do you write 0.02 as a percent?
a)
20%
b)
200%
c)
2%
d)
.02%
11.
What is an outcome?
a)
The result of an experiment
b)
The chance or likelihood of an event
c)
A fraction, decimal, or a percent
d)
An activity that gives various results
12.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
13.

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?

a)

2/7

b)

5/49

c)

5/7

d)

10/49

14.
A die is rolled once.  What is the probability of rolling a 5? Your answer should be a fraction in simplest form.
a)
1/6
b)
1/3
c)
2/5
d)
5/6
15.
A die is rolled once.  What is the probability of rolling NOT a 4? Your answer should be a fraction in simplest form.
a)
4/6
b)
1/6
c)
1/5
d)
5/6
16.

What is the probability that you choose blue? *simplify your answer*

5 green

6 yellow

8 blue

7 brown

a)

8/26

b)

4/13

c)

8/25

d)

1/3

17.

A box has 3 limes, 5 grapes, and 2 oranges.


P (NOT lime)

a)

3/10

b)

30%

c)

7/10

d)

Answer Not Here

18.
Theoretical Probability is?
a)
What Should happen
b)
What does happen
c)
What Will Happen
d)
What I want to Happen
19.
Experimental Probability is:
a)
What Will happen 
b)
What actually happens
c)
What should happen
d)
What I think Happens
20.
Probability can be written as ...
a)
a fraction
b)
a decimal
c)
a percent
d)
all of the above