A manager is considering placing an ad campaign on an emerging...

A manager is considering placing an ad campaign on an emerging social media platform (e.g., Snap). To understand the demographics of usage for this platform, the manager takes a random sample of potential users and asks them if they participate in this social media platform. The results are shown below:

Part of the social media platform Not Part of the social media platform

Age < 30 75 33

Age > = 30 28 28

To determine whether there is indeed a difference in social media platform usage between the two age groups, what is the best statistical test based only on the information provided?

Group of answer choices

a. Compare the proportions of users for the platform across the two age groups.

b. Use the central limit theorem to predict the population mean time spent on the platform.

c. Cannot answer this based only on the information provided.

d. Develop a confidence interval for the time spent on the social media platform.