estimate/guesstimate Case Interview Questions & Answers

How Many Checking Accounts in the United States?

Case Type: market sizing; estimate/guesstimate.
Consulting Firm: LEK Consulting 1st round job interview.
Industry Coverage: Banking.

Case Interview Questions #00001: Please estimate how many checking accounts there are in the United States. Walk me (the interviewer) through your thinking and give me a final number in the end. Be sure to check your answer for reasonableness.

Potential clarifying questions to ask the interviewer:Read the rest

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