Question

Refer to Exercise 67. Construct a joint probability table to compute the
In Exercise 67
In a recent survey of local businessmen and business-women, 40% of the respondents said they were online subscribers to Businessweek magazine, 70% said they were online subscribers to the Wall Street Journal (WSJ ). 30% said that they subscribed to both. What percentage of the respondents subscribe to
a. percentage of respondents who subscribe to neither the WSJ nor Businessweek.
b. percentage of respondents who subscribe to the WSJ but not Businessweek.
c. probability that a randomly selected respondent subscribes to Businessweek, given that the respondent does not subscribe to the WSJ.
d. probability that a randomly selected respondent does not subscribe to the WSJ, given that the respondent does not subscribe to Businessweek.


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  • CreatedJuly 16, 2015
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