The probability that a randomly selected person from this sample used the Chrome browser is • The probability that a randomly selected person from this sample used the desktop and the Chrome browser is • The probability that a randomly selected person from this sample used the Internet Explorer or the laptop is ..
The probability that a randomly selected person from this sample used the Chrome browser is • The probability that a randomly selected person from this sample used the desktop and the Chrome browser is • The probability that a randomly selected person from this sample used the Internet Explorer or the laptop is ..
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:Question: A random sample of computer users
were asked which browser they primarily relied
on for surfing the Internet and whether this
browser was installed on a desktop or laptop
computer. The following contingency table
shows these results.
Desktop
Browser
Internet
Explorer
Firefox
Chrome
Safari
Other
Total
18
12
15
3
3
51
is
Laptop
0.3
33
1
24
Safari laptop 0.5
30
9
3
99
Fill in the blank by using drag and drop one of
the following answers (some options will not be
used):
0.2
. The probability that a randomly selected
person from this sample used the Chrome
browser is
. The probability that a randomly selected
person from this sample used the desktop
and the Chrome browser is
• The probability that a randomly selected
person from this sample used the Internet
Explorer or the laptop is
• Desktop and
but they are not independent.
• The probability that a randomly selected
person from this sample did not use Safari
browser is
0.92
Total
. The probability that a randomly selected
person from this sample used the Internet
Explorer given that the person used a laptop
51
36
45
12
6
150
0.1
0.78 0.08 other 0.33
0
are mutually exclusive,
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