There are four balls, two black and two white. You pick two and random and flip their color from one to the other and repeat. How many times would you do this to ensure all four balls are the same color?
Research Data Coordinator Interview Questions
66,976 research data coordinator interview questions shared by candidates
Bag with 4 marbles. Two red and two blue. Draw the balls one at a time, but before it comes out, try to predict the color. If correct, you get a dollar. If you play optimally, what is the expected value of the game?
Is polynomial complexity good enough?
Five guys walk into a bar, how many ways can they sit so as to be arranged from oldest to youngest
apple = 20 papaya = 60 grapefruit = 80 pear = ?
#of cars passing my door every morning conforms to what kind of dist?
Is now a good time?
Given an unfair coin that is heads 2/3 of the time and tails 1/3 of the time, how do simulate a fair coin?
Where does your spouse attend school?
probability questions like “You’re given a biased coin with a known probability 𝑝 of landing heads. How would you determine the expected number of flips until it shows heads twice in a row?”
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