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Consider a stick of length 1. It is broken into three pieces at two randomly selected points. What is the probability that the three pieces can form a triangle?

Find the probability that three pieces of a stick can form a triangle.

Probability of Forming a Triangle

Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

Tencent Salaries by Position

【About Tencent】Tencent is a world-leading internet and technology company that develops innovative products and services to improve the quality of life of people around the world. Founded in 1998 with its headquarters in Shenzhen China, our guiding principle is to use technology for good.We are not only a major video game publisher in the world, we also produce other high-quality digital content, enriching interactive entertainment experiences for people around the globe. We offer a range of services such as cloud computing, advertising, FinTech, and other enterprise services to support our clients' digital transformation and business growth. 【About Level Infinite】Level Infinite is a global gaming brand dedicated to delivering high-quality and engaging interactive entertainment experiences to a worldwide audience, wherever and however they choose to play. It operates from bases in Amsterdam and Singapore with staff around the world.To learn more about Level Infinite, visit www.levelinfinite.com, and follow on Twitter,Facebook, Instagram and YouTube. Primary Duties & Responsibilities:1. Establish trusting relations with acquired game studios, create high impact business insights to address game studio challenges and drive value.2. Collaborate and work closely with 2nd party game studios and business stakeholders to deliver excellent outputs and provide insights to support key business decisions.3. Build data analysis methodology to serve a large number of new games in development by using data statistical analysis, data mining, modeling, experimental testing and other methods.4. Propose, design and implement new data models to exploit opportunities and improve the game experience and business growth.5. Participate in the design of game index system, game health analysis, game growth strategy traction, game play optimization through mathematical statistics.6. Apply statistical theory, interdisciplinary knowledge, and machine learning models to solve business problems. Who We Look For1. Master degree or above in computer science, data science, machine learning, statistics, applied mathematics and other relevant fields is preferred.2. Highly proficient in R/Python/SQL for data analysis and modeling, familiar with big data platforms such as Hadoop/Hive/Spark.3. Experience designing, analyzing and optimizing testing methods.4. Experience in predictive modeling and analysis over large datasets.5. Ability to work in an analytical and structured manner, meticulous and pragmatic, know how to balance short term and long term deliverables.6. Proven track record leading big data projects, using common big data technologies.7. Excellent communication and influencing skills.8. Ability to develop and maintain good relations and communicate with people at all hierarchical levels.9. Strong problem solving skills and team spirit.10. Ability to reconcile technical and business perspectives.Preferred qualification:1. Hands-on experience deploying, managing, and operating AI/ML workloads in a production environment.2. Hands-on experience developing, deploying, and maintaining AI agents in production environments.3. Past data science experience in gaming industry. Equal Employment Opportunity at TencentAs an equal opportunity employer, we firmly believe that diverse voices fuel our innovation and allow us to better serve our users and the community. We foster an environment where every employee of Tencent feels supported and inspired to achieve individual and common goals.

Question	Topic	Difficulty	Ask Chance
Probability of Forming a Triangle	Probability	Easy	Very High
Boarding Times Bias	Statistics	Medium	Medium
Hundreds of Hypotheses	Statistics	Medium	Medium

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