What is the probability a survey respondent will say she or he is not okay with this practice? b. Given a respondent is 30–49 years old, what is the probability the respondent will say she or he is okay with this practice? c. Given a respondent says she or he is not okay with this practice, what is the probability the respondent is 50+ years old?
In February 2012, the Pew Internet & American Life project conducted a survey that included
several questions about how Internet users feel about search engines and other websites collecting
information about them and using this information either to shape search results or target
advertising to them (Pew Research Center, March 9, 2012). In one question, participants
were asked, “If a search engine kept track of what you search for, and then used that information
to personalize your future search results, how would you feel about that?” Respondents
could indicate either “Would not be okay with it because you feel it is an invasion of your
privacy” or “Would be okay with it, even if it means they are gathering information about
you.” Frequencies
of responses by age group are summarized in the following table.
a. What is the
practice?
b. Given a respondent is 30–49 years old, what is the probability the respondent will say
she or he is okay with this practice?
c. Given a respondent says she or he is not okay with this practice, what is the probability
the respondent is 50+ years old?
d. Is the attitude about this practice independent of the age of the respondent? Why or
why not?
e. Do attitudes toward this practice for respondents who are 18–29 years old and
respondents
who are 50+ years old differ?
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