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?
1153Post New Data Science Questions
what is prior probability and likelihood?
Explain the decision tree algorithm, and how is it different from the random forest algorithm?
You are given a training dataset of users that contain their demographic details, the pages on Facebook they have liked so far and results of psychology test based on their personality i.e. their openness to like FB pages or not. How will you predict the age, gender and other demographics of unseen data?
Why is it mandatory to clean a data set?
What are numpy, scipy, and spark essential datatypes?
How many big Macs does McDonald sell every year in US?
Do you need a teacher to be a scientist?
Why is data cleaning essential in data science?
How will you explain JOIN function in SQL to a 10 year old ?
Name three types of biases that can occur during sampling?
What will you do if removing missing values from a dataset cause bias?
Which one you prefer R or Python for text analytics?
What are essential skills and training needed in data Science?
A stranger uses a search engine to find something and you do not know anything about the person. How will you design an algorithm to determine what the stranger is looking for just after he/she types few characters in the search box?
What are distance measures in R statistics?