(Solved): A Recent Survey Suggests That 85% Of College Students Have Posted A Profile On Facebook, 54% Use Ins...
A recent survey suggests that 85% of college students have posted a profile on Facebook, 54% use Instagram regularly, and 42% do both. If a college student is randomly selected from this survey, what is the probability that the student has posted a profile on:
a)At east one of these two sites?
b) Either one of the two sites but not both?
c)Neither of the two sites?