a) If someone is selected from this survey at random, what is the probability that the person is from Country E? (Round to four decimal places as needed.) b) If someone is selected from this survey at random, what is the probability that the person completed his or her education before college? (Round to four decimal places as needed.) c) If someone is selected from this survey at random, what is the probability that the person is from Country B or did some post-graduate study? (Round to four decimal places as needed.)
a) If someone is selected from this survey at random, what is the probability that the person is from Country E? (Round to four decimal places as needed.) b) If someone is selected from this survey at random, what is the probability that the person completed his or her education before college? (Round to four decimal places as needed.) c) If someone is selected from this survey at random, what is the probability that the person is from Country B or did some post-graduate study? (Round to four decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:a) If someone is selected from this survey at random, what is the probability that the person is from Country E?
(Round to four decimal places as needed.)
b) If someone is selected from this survey at random, what is the probability that the person completed his or her education before college?
(Round to four decimal places as needed.)
c) If someone is selected from this survey at random, what is the probability that the person is from Country B or did some post-graduate study?
(Round to four decimal places as needed.)
d) if someone is selected from this survey at random, what is the probability that the person is from Country B and finished only primary school or less?
Transcribed Image Text:A research company conducted a
survey and collected demographic
information on the respondents from
each country. To the right is a table
showing the number of people with
various levels of education in five
countries. Complete parts a) through
d).
Post-
Country graduate College
E
Total
5
73
168
63
93
402
308
392
520
215
485
1920
Some
high
school
676
768
623
1250
885
4202
Primary
or
No
less answer
516
320
231
32
79
1178
4
1509
41
1557
10 1552
1582
1549
7749
22
71
Total
47
n
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