Product CaseStatistical

If you give N users a 5$ coupon, with the probability of usage being P, what is the expected coupon spend? What assumptions would you make to underpin that answer? What is the probability that one of the coupons will be used?

Was asked at

Practice this question with AI

First session is free - no credit card required.

Go Premium

More interviews, more skills, more success.

Practice More Questions

No answers yet

Be the first to share your approach to this question

✓ Trusted by Data Scientists

Stop Winging It. Start Using Frameworks.

The structured approach to acing interviews

Proven frameworks for analytics cases, ML, and experimentation
See adequate vs great answers side-by-side
Real case breakdowns with expert analysis
Master storytelling and advanced interview skills

This course taught me the difference between answering questions and nailing interviews. The frameworks are pure gold.

— David L., ML Engineer

Start Learning Now →See Full Curriculum

Interview question asked to Data Scientists interviewing at Glovo, Expedia, GOJEK and others: If you give N users a 5$ coupon, with the probability of usage being P, what is the expected coupon spend? What assumptions would you make to underpin that answer? What is the probability that one of the coupons will be used?.