Lets say the population on Facebook clicks ads with a click-through-rate of P. We select a sample of size N and examine the sample's conversion rate, denoted by hat{P}, what is the minimum sample size N such that Probability( ABS(hat{P} - P) < DELTA ) = 95%. In other words (this is my translation), find the minimum sample size N such that our sample estimate hat{P} is within DELTA of the true click through rate P, with 95% confidence.
What is your biggest stranght? What is your biggest weakness? How do you handle stress?
Which syntax of SQL is used to slice dataset into several chunks
Say the DS team came up with a spam detection algorithm, what metrics would you use to measure success?
How can we tell if two users on Instagram are best friends? (answer question) Ok, how can we use this algorithm in the product?
They have arranged an excellent technical team of the interviewers & they had mostly concentrated on the basic technical skills and team player things. They did very ethical personal questions stare to family and life style. Interviewers were technically sound and their approach were excellent in all aspect.
structure elucidation by mass spectrometry and basic approach!! LC-MS, HPLC, UV, FTIR basics related to pharmaceuticals. Team handling, work on pressurised situations, ethical and need of job.
What is your expected ctc
What is the theory of each part of method development
technical questions along with some behavioural quesitons
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