You flip a weighted coin that comes up Heads 40% of the time and Tails 60%. If you flip this coin 5 times, what is the probability that you see at least 3 Tails, rounded to the nearest percent?
Quantitative Research Internship Interview Questions
3,500 quantitative research internship interview questions shared by candidates
Q1 How would you devise a poll? Q2 How would you run an A/B test if you cannot guarantee that the two groups are randomized?
How did you find out about this position
Run me through the processes involved in a simple perceptron neural network.
Suppose there are n lily pads located on a unit circle, and a frog initially is sitting on one of them at time = 0. Every minute this frog will make a jump to the lily pad that is next to it, either to the left or to the right with probability = 1/2. Find the expected time in minutes for this frog to visit every lily pad on the unit circle.
A really difficult DP question, a more straightforward algorithm question about finding permutations, and a very difficult question about conditional probability and joint distributions.
Longest increasing subsequence in a sequence
Give 2 marbles, red and blue what probability of getting blue ?
Min cost to climb the stairs (DP). I think a same problem exists on Leetcode.
questions on linear regression and statistics
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