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A certain couple tells you that they have two children, at least one of whom is a girl. What is the probability that they have two girls?
337Post New Data Science Questions
What is the role of the activation function?
You are at a Casino. You have two dices to play with. You win $10 every time you roll a 5. If you play till you win and then stop, what is the expected pay-out?
How can bogus Facebook accounts be detected?
What makes the difference between “long” and “wide” format data?
How do you take millions of users with 100's of transactions each, amongst 10000's of products and group the users together in a meaningful segments?
What is logistic and linear regression?
Explain how to write a table to a file?
What is bias – variance tradeoff?
Why is Python used in data science?
Explain the difference between a validation set and a test set?
Please explain the role of data cleaning in data analysis.
What is the law of large numbers?
What motivates you to transition from academia to data science?
How much ram do I need for data science?
Which language is best for text analytics? R or python?
