Consider the following information about travelers on vacation:40% check work email, 30% use a cell phone to stay connected towork, 25% bring a laptop with them, 21% both check work email anduse a cell phone to stay connected, and 59% neither check workemail nor use a cell phone to stay connected nor bring a laptop. Inaddition, 88 out of every 100 who bring a laptop also check workemail, and 70 out of every 100 who use a cell phone to stayconnected also bring a laptop.
(a)
What is the probability that a randomly selected traveler whochecks work email also uses a cell phone to stay connected?
(b)
What is the probability that someone who brings a laptop onvacation also uses a cell phone to stay connected?
(c)
If the randomly selected traveler checked work email and broughta laptop, what is the probability that he/she uses a cell phone tostay connected? (Round your answer to four decimal places.)
