Working on summer vacation. Refer to the Harris Interactive (July 2013) poll of whether U.S. adults work during summer vacation, Exercise 3.13 (p. 145). Recall that the poll found that 61% of the respondents work during their summer vacation, 22% do not work at all while on vacation, and 17% were unemployed. Also, 38% of those who work while on vacation do so by monitoring their business emails.

a. Given that a randomly selected poll respondent will work while on summer vacation, what is the probability that the respondent will monitor business emails?

b. What is the probability that a randomly selected poll respondent will work while on summer vacation and will monitor business emails?

c. What is the probability that a randomly selected poll respondent will not work while on summer vacation and will monitor business emails?