Name
KEY
Quiz 2
Section Time
Fall 2007
ID #
Students must
show all work
on problems that involve calculation.
Questions 1  3 refer to the following table.
The table shows the results of a national survey of
200 executives who were asked to identify the geographic locale of their company and their
company’s industry type.
The executives were only allowed to select one locale and one industry
type.
Geographic Location
Northeast
Southeast
Midwest
West
Total
Industry Type
Finance
24
10
8
56
Manufacturing
30
6
12
Communications
28
18
12
16
Total
34
1. What is the probability that a randomly selected executive will work in the finance industry
and work in the West?
a.
.07
*
b.
.14
c.
.21
d.
.25
e.
.33
2. If a manufacturing executive is randomly selected, what is the probability that he/she will work
in the Midwest?
a.
11%
b.
22%
c.
31.43% *
d.
52.38%
e.
70%
3.
A government agency has been given a grant to form a consortium (i.e. a working group) on
a proposed policy.
How many ways are there to select a consortium from the above that
contains three executives?
1,313,400
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview.
Sign up
to
access the rest of the document.
 Spring '08
 HUDGINS
 Joint probability distribution, industry type

Click to edit the document details