buppose you work as a sales manager for a broadcast network. You are Interested In the average dollar amount of advertising sales your company should expect for a given week. Based on previous data, you know that the standard deviation for weekly sales is $500944. To estimate the average, you want to find a sample mean that is within $150216 of the true average with 95% condence. How many weeks of data would you need to sample to find your estimate? 5) We do not have enough information to answer this question since we were not given the sample mean