WorksheetsProbability, chance and data representation
Total questions: 13
Worksheet time: 20mins
Name
Class
Date
1.
How many outcomes are in the sample space for tossing one coin?
a)
1
b)
2
c)
4
d)
8
2.
Which of the following are possible samples spaces for tossing 2 coins? (May be more than one correct answer)
a)
{H, T, H, T}
b)
{HH, HT, TH, TT}
c)
{H, T}
d)
{T, H}
e)
{TT, HH, TH, HT}
3.
Which of these cannot be considered a probability of an outcome?
a)
1/3
b)
-1/5
c)
0.80
d)
112%
e)
1
4.
You give the answer to a probability problem as 6/5. The teacher marks it wrong. Why?
a)
It should have been 5/6.
b)
Its not written as a percent.
c)
Its more than 1.
d)
Its not written as a decimal.
5.
Roll a die one time. Find P(rolling a 4).
a)
1/4
b)
2/3
c)
1/6
d)
1/2
6.
Roll a die one time. Find P(even number).
a)
1/2
b)
1/3
c)
3/6
d)
2/6
7.
What is the mean?
a)
# happening the most
b)
the number in the middle
c)
biggest-smallest
d)
the average
8.
Find the mean of this data set:
2, 57, 38, 42, 6
a)
29
b)
38
c)
50
d)
145
9.
Find the median of this data set:
4, 2, 7, 4, 3
a)
2
b)
5
c)
7
d)
4
10.
What is the mode?
a)
# happening the most
b)
the average
c)
biggest - smallest
d)
the middle #
11.
To find the mean of a set of numbers, add up all the items and divide by...
a)
2
b)
The minimum
c)
The maximum
d)
The number of items
12.
In order to find the median, the data must be sorted from least to greatest first.
a)
True
b)
False
13.
What is the range?
a)
average
b)
biggest-smallest
c)
the middle #
d)
# happening the most
100 %
