Final answer:
Internet poker tends to be the preferred form of gambling among younger adults due to its digital nature, convenience, and social aspects, compared to traditional forms like slot machines, keno, and bingo that are more popular with older demographics.
Step-by-step explanation:
In considering which form of gambling is preferred among younger adults, it's important to recognize that preferences can vary widely based on cultural, accessibility, and technological factors. However, trends suggest that internet poker may be more attractive to younger generations due to its convenience, the appeal of digital entertainment, and the social aspect that allows players to connect with others online. Traditional forms of gambling like slot machines, keno, and bingo, although still enjoyed by some, tend to be associated with older demographics. Lotto, being a mix of traditional and online play, can also be popular among various age groups, but the interactive and skill-based nature of internet poker often holds more appeal to younger individuals who are accustomed to interactive gaming.