Question: An angel investor is considering a portfolio of 8 biotech firms: 4 developing mRNA vaccines, 3 working on CRISPR therapies, and 1 focused on regenerative medicine. If the investor selects 4 firms at random, what is the probability that at least one firm from each research area is included?

Sat, 09 May 2026 10:03:14 +0000

**An Angel Investor’s Strategic Opportunity: Calculating Risk & Diversity in a Rapidly Evolving Biotech Landscape** In today’s dynamic biotech investment scene, a growing number of forward-thinking angels are analyzing portfolio diversity through the lens of innovation clusters—mRNA vaccines, CRISPR therapies, and regenerative medicine. With recent breakthroughs accelerating drug development and competitive funding landscape shifts, understanding which combinations of firms represent balanced, forward-looking strategies is essential. This question—what’s the chance that a randomly selected 4-firm portfolio includes at least one from each research area—taps into a critical intersection of science, market risk, and long-term returns. --- **Why This Question Matters: A Trend in Biotech Funding**