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.