MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A CBS News poll involved a nationwide random sample of 651 adults, asked those adults about their party
affiliation (Democrat, Republican or none) and their opinion of how the US economy was changing ("getting
better," "getting worse" or "about the same"). The results are shown in the table below.
better
same
worse
Republican
38
104
44
Democrat
12
87
137
none
| 21
90
| 118
If we randomly select one of the adults who participated in this study, compute: (round to four decimal
places)
a. P(Democrat) = 0.3625
b. P(worse) = 0.4593
%3D
C. P(worse Democrat) = 0.5805
d. P(Democrat |worse) =
%3D
e. P(Democrat and worse) =
%3D
Gubmit Ouoction
18
re to search
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Transcribed Image Text:A CBS News poll involved a nationwide random sample of 651 adults, asked those adults about their party affiliation (Democrat, Republican or none) and their opinion of how the US economy was changing ("getting better," "getting worse" or "about the same"). The results are shown in the table below. better same worse Republican 38 104 44 Democrat 12 87 137 none | 21 90 | 118 If we randomly select one of the adults who participated in this study, compute: (round to four decimal places) a. P(Democrat) = 0.3625 b. P(worse) = 0.4593 %3D C. P(worse Democrat) = 0.5805 d. P(Democrat |worse) = %3D e. P(Democrat and worse) = %3D Gubmit Ouoction 18 re to search
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