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Lyft Data Scientist Interview Questions

Review this list of Lyft data scientist interview questions and answers verified by hiring managers and candidates.
  • Lyft logoAsked at Lyft 

    As the PM for Lyft, what dashboard would you build to track the health of the app?

    45 answers
    +41

    "Lyft at its core is a marketplace with drivers and cars on the supply side, and passengers on the demand side. I would begin by dividing the goal of the dashboard into two categories : Health of the marketplace Health of the app/ reliability from a technical perspective The second one is more straightforward so I’ll briefly mention some overarching metrics I would look at and come back to it later if time allows. Health or reliability of the app can be further divided into the following -"

    Sukriti C. - "Lyft at its core is a marketplace with drivers and cars on the supply side, and passengers on the demand side. I would begin by dividing the goal of the dashboard into two categories : Health of the marketplace Health of the app/ reliability from a technical perspective The second one is more straightforward so I’ll briefly mention some overarching metrics I would look at and come back to it later if time allows. Health or reliability of the app can be further divided into the following -"See full answer

    Data Scientist
    Analytical
  • Lyft logoAsked at Lyft 

    A $5 discount coupon is given to N riders. The probability of using a coupon is P. What is the expected cost for the company?

    3 answers
    Video answer for 'A $5 discount coupon is given to N riders. The probability of using a coupon is P. What is the expected cost for the company?'

    "Is there a reason a confidence interval was used to solve this problem over just using the mean/expected value directly?"

    Aarav G. - "Is there a reason a confidence interval was used to solve this problem over just using the mean/expected value directly?"See full answer

    Data Scientist
    Statistics & Experimentation
  • Lyft logoAsked at Lyft 

    A discount coupon is given to N riders. The probability of using a coupon is P. What is the probability that one of the coupons will be used?

    2 answers

    "Probability that one of the coupons is used = 1 - Probability that no coupon is used = 1 - nC0 p^0 * (1-p)^n = 1 -(1-p)^n"

    Chetak C. - "Probability that one of the coupons is used = 1 - Probability that no coupon is used = 1 - nC0 p^0 * (1-p)^n = 1 -(1-p)^n"See full answer

    Data Scientist
    Statistics & Experimentation

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