Based on a​ poll, 70​% of Internet users are more careful about personal information when using a public​ Wi-Fi hotspot. What is the probability that among threethree randomly selected Internet​ users, at least one is more careful about personal information when using a public​ Wi-Fi hotspot? How is the result affected by the additional information that the survey subjects volunteered to​ respond? The probability that at least one of them is careful about personal information is? ​(Round to three decimal places as​ needed.) How is the result affected by the additional information that the survey subjects volunteered to​ respond?     A. It is very possible that the result is not valid because not everyone uses public​ Wi-Fi.   B. The result should not be impacted by this because volunteers are likely to have the most relevant responses.   C. The result should not be impacted by this because there is no reason to lie when responding.   D. It is very possible that the result is not valid because the sample may not be representative of the people who use public​ Wi-Fi.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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100%
Based on a​ poll,
70​%
of Internet users are more careful about personal information when using a public​ Wi-Fi hotspot. What is the probability that among
threethree
randomly selected Internet​ users, at least one is more careful about personal information when using a public​ Wi-Fi hotspot? How is the result affected by the additional information that the survey subjects volunteered to​ respond?
The probability that at least one of them is careful about personal information is?
​(Round to three decimal places as​ needed.)
How is the result affected by the additional information that the survey subjects volunteered to​ respond?
 
 
A.
It is very possible that the result is not valid because not everyone uses public​ Wi-Fi.
 
B.
The result should not be impacted by this because volunteers are likely to have the most relevant responses.
 
C.
The result should not be impacted by this because there is no reason to lie when responding.
 
D.
It is very possible that the result is not valid because the sample may not be representative of the people who use public​ Wi-Fi.
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