Refer to the Adweek/Harris (July 2011) poll of whether U.S. adults work during their summer vacation, Exercise 3.14. Recall that the poll found that 46% of the respondents work during their summer vacation, 35% do not work at all while on vacation, and 19% were unemployed. Also, 35% of those who work while on vacation do so by monitoring their business e-mails.
a. Given that a randomly selected poll respondent will work while on summer vacation, what is the probability that the respondent will monitor business e-mails?
b. What is the probability that a randomly selected poll respondent will work while on summer vacation and will monitor business e-mails?
c. What is the probability that a randomly selected poll respondent will not work while on summer vacation and will monitor business e-mails?
Exercise 3.14
Is summer vacation a break from work? Not according to an Adweek/Harris (July 2011) poll of 3,304 U.S. adults. The poll found that 46% of the respondent's works during their summer vacation, 35 % do not work at all while on vacation, and 19% were unemployed. Consider the work status during summer vacation of a randomly selected poll respondent.