A Year of Interactions

guesstimates

What this case is about

Estimate how many distinct people you interacted with over the last year. Talk me through how you would build your estimate.

Objective

Estimate the number of distinct people interacted with over one year by segmenting contact pools, applying interaction probabilities, and accounting for overlap.

Skills this case tests

Structuring the problem
Working the numbers
Communicating clearly

This is an interview practice scenario. Figures in the brief are case inputs, not current market research.