Slot machines are favorite game at casinos during the United States (Harrah's Survey 2002: Profile of the American Gamble). The following sample data show number of women and number of men who selected slot machines as their favorite game.
Women: Sample Size = 320, Favorite Game-Slots = 256
Men: Sample Size = 250, Favorite Game-Slots = 165
a. Find out the point estimate of proportion of women who say slots is their favorite game?
b. Determine the point estimate of the proportion of men who say slots is their favorite game?
c. Provide a 95% confidence interval estimate of proportion of women who say slots is their favorite game minus the proportion for men (3 decimal places)