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A jar has 1000 coins, of which 999 are fair and 1 is double headed. Pick a coin at random, and toss it 10 times. Given that you see 10 heads, what is the probability that the next toss of that coin is also a head?
1474Post New Data Science Questions
You can roll a dice three times. You will be given $X where X is the highest roll you get. You can choose to stop rolling at any time (example, if you roll a 6 on the first roll, you can stop). What is your expected pay-out?
Can you cite some examples where a false positive is important than a false negative?
In a given day, how many birthday posts occur on Facebook?
Why is it mandatory to clean a data set?
Explain recommender system?
Why do you want to work as a data scientist?
What is the difference between an analyst and a data scientist?
Name various types of deep learning frameworks
What are the types of biases that can occur during sampling?
What are Random Forests?
What do you mean by cluster sampling and systematic sampling?
How will you decide whether a customer will buy a product today or not given the income of the customer, location where the customer lives, profession and gender? Define a machine learning algorithm for this.
Which technique will you use to compare the performance of two back-end engines that generate automatic friend recommendations on Facebook?
What prior knowledge is required to become data scientist?
How do you handle missing values in python or r?
