what kind of researches you've ever involved in
880 Domande di colloqui condivise dai candidati | algorithm engineer
We draw a person at random from the street. Then we keep drawing people until we find someone taller than the first person. What is the expected number of draws we have to wait?
If I have a jar with 1000 coins and one is double headed and I pick one coin randomly and flip 10 heads what is the probability it is the double headed coin?
Pretty much the same thing as the Microsoft one in this link. I wasted too much time on question 2 and didn't get a chance to submit an answer but I finished it for fun after the test. https://webcache.googleusercontent.com/search?q=cache:KocTw550s_UJ:https://leetcode.com/discuss/interview-question/760379/Microsoft-or-OA-2020-or-Word-Machine+&cd=1&hl=en&ct=clnk&gl=ru&client=safari
You have three sock drawers. One has red and blue socks, one has blue and green socks, and one has green and red socks. What is the expected number of socks you must pull to be sure which drawer is which, assuming that the number of socks of each color in each drawer is both large and equal?
Asked how to find the kth largest element of a sequence of n elements.
If you take an 8x8 cube and dip it in paint, how many of the 8^2 cubes do not have paint on them?
phone interview: (1) 3x3 large square, the surface is painted in red. After cutting into 27 pieces, just take one piece and throw it on the table. Five sides are white and white. Ask the probability that the last face is red. (2) X = the sum of 100 rolls of dice, Y = the number of heads of 600 coin flips, ask Pr (X>Y) (3) N points randomly in a circle. The probability that all of them lie in a semicircle
How do you find the pdf of the sum of two independent random variables?
X,Y are iid standard normal. what P(Y>3X)
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