FoundationNumeric answer
An execution algorithm that looks worse · Part 1 of 3
A broker compares a new execution algorithm with the old one on 200 orders. Old: 80 easy orders with 72 good fills, and 20 hard orders with 10 good fills. New: 20 easy orders with 19 good fills, and 80 hard orders with 44 good fills.
What is the new algorithm’s overall good-fill rate, in per cent?
Answer with a number. Fractions, powers and expressions like 23/6 or C(52,5) are read correctly in practice.
The worked solution is in Premium
The answer, the full working and the one idea to take away – for this and all 1,322 questions in the bank. Answer it in practice and your working is marked, with a known mistake named when you make one.
More research case studies questions
- Control converts 5.0% of 10,000 users and treatment 5.6% of 10,000.Applied
- A retention programme is offered to customers whose usage has just dropped…Advanced
- You run a difference-in-differences study.Advanced
- Treatment A succeeds in 81/87 small cases and 192/263 large ones; treatment B…Advanced
- You want the effect of advertising spend on sales and propose regional weather…Advanced
- You are asked to "predict demand" for a bike-share operator. What do you say first?Foundation