About 20% of movies coming out of Hollywood are comedies. Warner Bros has been the lead studio for about 10.5% of recent movies, and about 2.5% of recent movies are comedies from Warner Bros.1LetCdenote the event a movie is a comedy andWdenote the event a movie is produced by Warner Bros.

1Probabilities based on data fromHollywoodMovies.

(a) Write probability expressions for each of the three facts given in the first sentence of the exercise.