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Design a system for managing a distributed data replication system.

Do you know what words are blanagrams from dormitory and dirty room?

Design a food delivery system like DoorDash.

What are false positives and false negatives in statistical hypothesis testing, and why do they matter in research?

Can you code a Python function to discount specific song streams by a given markdown rate?

Can you discuss a machine learning model you've worked with and detail its functionality?

In what manner does Gradient Descent influence the training of deep learning models?

In R, how can you generate a dataset of 1000 normally distributed points with mean=x and variance=y, provide summary statistics, and plot the density? Also, replicate these steps in a Python script within Codility's editor.

Create a collaborative text editor similar to Google Docs.

What's your concept for a recommendation algorithm based on user's listening activity, and which listening history features would you model?