Datos Interview Questions

89,632 datos interview questions shared by candidates

Imagine you have N pieces of rope in a bucket. You reach in and grab one end-piece, then reach in and grab another end-piece, and tie those two together. What is the expected value of the number of loops in the bucket?
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Senior Data Scientist

Interviewed at Natera

3.8
May 19, 2015

Imagine you have N pieces of rope in a bucket. You reach in and grab one end-piece, then reach in and grab another end-piece, and tie those two together. What is the expected value of the number of loops in the bucket?

Originally asked: If the ratio of green to red is 2 to 7 and there are 70 total marbles, how many green are there? Amended question after email: If the ratio of green to red is 2 to 7 and there are 70 red marbles, how many green are there?
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Data Analyst

Interviewed at Capital One

3
Nov 8, 2016

Originally asked: If the ratio of green to red is 2 to 7 and there are 70 total marbles, how many green are there? Amended question after email: If the ratio of green to red is 2 to 7 and there are 70 red marbles, how many green are there?

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