• : An investor hears a radio report that says 60% of the stocks on the New York Stock Exchange increased in value. The investor owns 20 stocks on the NYSE. Determine the probability of the following events.
  • 15 or more of the investor's stocks increased in value. (3 points)
  • 12 or fewer of the investor's stocks increased in value. (3 points)
  • 12 of the investor's stocks increased in value. (3 points)