How will you decide which version (Version 1 or Version 2) of the Surge Pricing Algorithms is working better for Uber ?
Uber,
130A building has 100 floors. Given 2 identical eggs, how can you use them to find the threshold floor? The egg will break from any particular floor above floor N, including floor N itself.
209You have 2 dices. What is the probability of getting at least one 4? Also find out the probability of getting at least one 4 if you have n dices.
269If we added one rider to the current SF market, how would that affect the existing riders and drivers?
Uber,
159How will you test that there is increased probability of a user to stay active after 6 months given that a user has more friends now?
281Post New Data Science Questions
Where is association analysis used?
What is chi square test?
Check whether a given integer is a palindrome or not without converting it to a string.
Explain Examples of Data Science?
Write a program to segment a long string into a group of valid words using Dictionary. The result should return false if the string cannot be segmented. Also explain about the complexity of the devised solution.
How will you test a machine learning model for accuracy?
What tools or devices help you succeed in your role as a data scientist?
What is the difference between a cluster and systematic sampling?
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?
Advantages of tableau prep?
How can the outlier values be treated?
Explain eigenvalue and eigenvector
Can you define a/b testing?
How will you check if an element 25 is present in a vector?
what is prior probability and likelihood?