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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?
385In 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?
441Post New Data Science Questions
Can you define analytics?
Define power analysis?
What are Random Forests?
How would you create a taxonomy to identify key customer trends in unstructured data?
Can you explain the difference between a Test Set and a Validation Set?
What is correlation in R?
Why is dimensional reduction performed before fitting a support vector machine (svm)?
How will you define the number of clusters in a clustering algorithm?
What are various steps involved in an analytics project?
Why data cleaning plays a vital role in analysis?
Do gradient descent methods always converge to the same point?
What is the goal of the clustering?
Define feature vector?
Which one you prefer R or Python for text analytics?
A test has a true positive rate of 100% and false positive rate of 5%. There is a population with a 1/1000 rate of having the condition the test identifies. Considering a positive test, what is the probability of having that condition?
