3. A survey of autos parked in student and staff lots at a large university classified the brands by country of origin as seen in the table. Student Staff 107 European 33 Asian 55 American 105 12 47 a. What's the marginal distribution of Origin? b. What's the conditional distribution of Origin for the students' cars? c. What's the conditional distribution of Origin for the cars driven by the staff?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 20PFA
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e
$
4
3. A survey of autos parked in student and staff lots at a large university classified
the brands by country of origin as seen in the table.
Student
Staff
American
European
Asian
107
33
55
5
105
a. What's the marginal distribution of Origin?
12
b. What's the conditional distribution of Origin for the students' cars?
47
c. What's the conditional distribution of Origin for the cars driven by the
staff?
A
d. Do you think the origin of the car is independent of the type of driver?
Explain. (use a side-by-side bar chart to help explain)
6
y
&
7
u
8
9
Transcribed Image Text:e $ 4 3. A survey of autos parked in student and staff lots at a large university classified the brands by country of origin as seen in the table. Student Staff American European Asian 107 33 55 5 105 a. What's the marginal distribution of Origin? 12 b. What's the conditional distribution of Origin for the students' cars? 47 c. What's the conditional distribution of Origin for the cars driven by the staff? A d. Do you think the origin of the car is independent of the type of driver? Explain. (use a side-by-side bar chart to help explain) 6 y & 7 u 8 9
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