Question

1. 60% of work interruptions involve tools like e-mail, social media, text messaging and instant messaging, as well as switching windows among standalone tools and applications (http://smallbusiness.foxbusiness.com/technology-web/2011/05/20/distracted-employees-survey/). What is the probability that examining 12 different instances of work interruptions that (a) 5 of them would involve the above listed tools? (b) What is the probability that more than 7 would involve the listed tools?

Answer 1