There are 30,000 adults living in Palm City. In examining attitudes toward the news, a research group asked a random sample of Palm City adults "What is your main source of news?" The results are shown below.
Main Source
of News Number of Adults
Newspapers 77
Internet 82
Television 144
Radio 22
Other 35
Based on the sample, predict the number of adults in Palm City whose main source of news is television. Round your answer to the nearest whole number. Do not round any intermediate calculations.
adults
The proportion of adults whose main source of news is television in the sample is 144/360 = 0.4.
To predict the number of adults in Palm City whose main source of news is television, we will use this proportion and apply it to the total adult population of 30,000:
30,000 * 0.4 = 12,000
Therefore, the predicted number of adults in Palm City whose main source of news is television is 12,000.