Justify your answers and detail your calculations briefly.
Answers should be brief and well described
A Harris Interactive survey for InterContinental Hotels & Resorts asked respondents, “When
traveling internationally, do you generally venture out on your own to experience culture,
or stick with your tour group and itineraries?” The survey found that 23% of the respon-
dents stick with their tour group (USA Today, January 21, 2004).
a. In a sample of six international travelers, what is the probability that two will stick with their tour group?
b. In a sample of six international travelers, what is the probability that at least two will stick with their tour group?
c. In a sample of 10 international travelers, what is the probability that none will stick with the tour group?