Answer :
Final Answer:
The casino's marketing manager should survey 500 adults (Option c) to accurately determine the percentage of adults who gamble online in states where it's allowed.
Explanation:
To determine the percentage of adults who gamble online in states where it's allowed, the casino's marketing manager needs to conduct a survey that provides a representative sample of the population. The sample size should be large enough to ensure statistical significance.
Selecting 100 adults (Option a) may not be sufficient to capture the diversity in gambling behavior. 250 adults (Option b) would be a better choice, but it still might not provide a robust estimate.
Option c, surveying 500 adults, offers a larger and more diverse sample size, which is likely to yield a more accurate representation of the population's gambling habits. A larger sample size reduces the margin of error and increases the confidence in the survey results. Option d, surveying 1000 adults, would be even more accurate but might be costlier and time-consuming. Option c strikes a good balance between accuracy and practicality for the casino's marketing manager.
By surveying 500 adults, the manager can make more informed decisions based on the gathered data. It's important to ensure the survey methodology is sound and that the sample is selected randomly to avoid bias.
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