Building a histogram of post reply count in SQL (number of posts with x replies, x+1 replies, etc). Building a table with a summary of feature usage per user every day (keep track of the last action by user and roll that up every day). Basic conditional probabilities (check out brilliant.org for their source of inspiration)
Flip one coin 10 times and obtain one H, what is the p value and null hypothesis?
You randomly draw a coin from 100 coins - 1 unfair coin (head-head), 99 fair coins (head-tail) and roll it 10 times. If the result is 10 heads, whats the probability that the coin is unfair?
Throw a fair die 100 times, what is the probability that you will get more than 75 tails?
I guess not really a question because I was not asked - but several times the same person said she did not think I would be happy there.
What thing about yourself other than experience and grades would make you a better candidate than the other people?
When can you start to work?
As a part of a bigger question: "How do you draw a uniform random sample from a circle in polar coordinates?"
If you give N riders with the probability of P a $5 coupon, what is the expected coupon spend
What was the angle between the clock hands at 3:15.
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