According to a recent Survey, 70% of adults who use the Internet have paid to download music. In a random sample of n = 800 adults who use the Internet, let :3 represent the proportion who have paid to download music. (a) Find the mean of the sampling distribution of 3:3. (b) Find the standard deviation of the sampling distribution of p". (c) What does the Central Limit Theorem say about the shape of the sampling distribution of f)? (d) Find P(0.68 g :3