Statistics: Market share for a radio station
See attached file.
You are in charge of selling advertising for a radio station. The fees are directly related to the share of the listening market. When 200 listeners were contacted randomly, 25 respondents said they listened to the station.
Refer to Table 6C attached.
A) What is the 95% confidence interval for the market that are listeners to the station?
B) If a sales person tell potential advertisers the station has 15% share, is the sales person correct? Why?