A certain couple tells you that they have two children, at least one of which is a girl. What is the probability that they have two girls?
275In any 15-minute interval, there is a 20% probability that you will see at least one shooting star. What is the probability that you see at least one shooting star in the period of an hour?
320Post New Data Science Questions
Who can be scientific data there are three general steps to becoming a data scientist?
Describe the various steps involved while carrying out an analytical project?
Which one you prefer R or Python for text analytics?
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?
What is an rdbms? Name some examples for rdbms? What is crud?
How can you iterate over a list and also retrieve element indices at the same time?
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?
Where linear optimization is used?
Explain calculate distance methods briefly?
What are Principal components?
What is difference between sas, r and python programming?
How do you do for loops in python and r?
What is the job of analytics?
Can you cite some examples where a false negative important than a false positive?
How do you do data import in sas?