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Share a time when you had to make a quick decision.

Describe a situation in which you had to overcome a tough deadline. What was your approach?

How do you go about choosing the optimal number of clusters for K-means algorithm without overfitting?

Tell me about a time when you mentored someone

Why would you be a good match for Illumina?

How did you come to find out you needed a new job?

What qualities should a good product manager have?

If you ever had to make an unpopular decision, tell us about it.

What do you like the most about working in customer service?

How would you create a set of 1000 data points following a normal distribution with given mean and variance in R, analyze the descriptive statistics, and visualize with a density plot? Then, could you perform the same operations in Python on Codility's code editor?