Practice for the Wealthfront interview with these recently asked interview questions.
| Question | Topic | Difficulty |
|---|---|---|
Probability | Medium | |
Every night between 7 pm and midnight, two computing jobs from two different sources are randomly started with each one lasting an hour. Unfortunately, when the jobs simultaneously run, they cause a failure in some of the company’s other nightly jobs, resulting in downtime for the company that costs $1000. The CEO, who has enough time today to hear one word, needs a single number representing the annual (365 days) cost of this problem. Note: Write a function to simulate this problem and output an estimated cost Bonus - How would you solve this using probability? Example: Input:
Output:
| ||
SQL | Easy | |
SQL | Easy | |
SQL | Easy | |
Machine Learning | Medium | |
Statistics | Medium | |
SQL | Hard | |
Machine Learning | Medium | |
Python | Easy | |
Deep Learning | Hard | |
SQL | Medium | |
Statistics | Easy | |
Machine Learning | Hard |
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Most data science positions fall under different position titles depending on the actual role.
From the graph we can see that on average the Software Engineer role pays the most with a $172,667 base salary while the Data Scientist role on average pays the least with a $158,389 base salary.
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