Using the information given in the AccuRatings report of Figure 4.3(given below), find estimates of each of the following:
a. The probability that a randomly selected Los Angeles resident (12 years or older) would name station KLAX as the station that he or she listens to most.
b. The probability that a randomly selected Los Angeles resident (12 years or older) would name station KABC as the station that he or she listens to most.
c. The percentage of all Los Angeles residents (12 years or older) who would name KCBS-FM as the station that he or she listens to most.
d. The number of the 5.528 sampled residents who named station KFI as the station he or she listens to most.
e. The number of the 5.528 sampled residents who named station KROQ as the station he or she listens to most.
Figure 4.3

Transcribed Image Text:

TARGET AUDIENCE STEP All estimates on this page are for the demographic SAMPLE SIZE of P12- (Other pages might reflect M25-54, Asians 18-34, Broward County, or imported Beer drinkers.) STEP TThe estimates on this page are based on interviews with 5,528 people who meet the criterion described at left STANDARD DEMO RANKER PERSONS 124) (N (5528) SHARE: STATION CORE LISTENERS AccuRatings estimates that about 668,100 Los Angeles residents would name KPWR as the STEP STEP KPWR's 668,100 core listeners represent 8.0% of all radio listeners on this page station they listen to the most RECALLED FORMER RECALLED FORMER SHARE STATION STEP p We asked the same sample of CORE LISTENERS SHARE SHARE KPWR KLAX KROQ KIIS A/F KFI KFWB KKBT KABC KRTH KCBS-FM 10 299,500 1: 668,100, 丨 3.0(-8.4 2: 531,800 | 6.4 c-4.4 3: 505,100 4: 418,200 5: 386,500 6: 383,500 7: 378,500 8: 346,600 9: 302,300 5.0 <-5.6 4.7 < 4.0 4.6-3.8 4.6-4. 4.2 <-4.2 3.63.7 3.6<-1.3 respondents to think back five or six months ago, 8.4% of the respondents said they believed that KPWR was the station they listened to most back then. (This suggests that KPWR has lost a few core listeners to other stations in recent months. It is a reliable medium-term trend indicator because it is based on exactly the same respondents as the previous column.)