A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?

Nicole has four different skirts, three different blouses and two pairs of shoes which she can wear for a business meeting. In how many ways can Nicole dress for the meeting?

A jar contains 10 black and 8 white marbles. If you pick 2 marbles with replacement, what is the probability of picking a black marble first and then another black marble?

A jar contains 10 black and 8 white marbles. If you pick 2 marbles without replacement, what is the probability of picking a black marble first and then another black marble?

Consider the following table with information about all of the students taking Statistics at Happy High School.

P( Male | Full-time)

A research team at Cornell University conducted a study showing that approximately 10% of all businessmen who wear ties wear them so tightly that they actually reduce blood flow to brain, diminishing cerebral functions. At a board meeting of 20 businessmen, all of whom wear ties, what is the probability that at least one tie is too tight?