Interview Query

Ride Coupon

Have you seen this question before?
  1. A ride-sharing app has probability pp of dispensing a $5\$5 coupon to a rider. The app services NN riders. How much should we budget for the coupon initiative in total?
  2. A driver using the app picks up two passengers.
  • What is the probability of both riders getting the coupon?
  • What is the probability that only one of them will get the coupon?
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