What is the expected number of coin tosses required before 3 heads in a row show up?
Quant Analyst Interview Questions
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3x3x3 cube; paint the outside. Cut cube up into 1x1x1 cubes. Pick a random 1x1x1 cube and roll, what is the probability a painted side is face up?
What's the weight of each of five melons if their pairwise weights sum to 16,17,18,19,20,21,22,24,25, and 26?
For an odd number of fair coin flips, whats P(even number of heads)? What about for an even number of flips? What about when some of the coins are unfair?
Two teams A and B played football twice. Two independent matches. The average shoot of A in match 1 is greater than B. The average shoot of A in match 2 is also greater than B. So can we say the average shoot of A is greater than B in two matches together? If so, why? If not, give me an example. -------- Failed to give the example, but I believe that the statement is not right.
Given a biased coin that flips heads 70% of the time, how can I use it to give a 50-50% random outcome?
build a fair coin from a biased one
Two cylindric tubes of same diameter cross centered at right angle. How would you calculate the volume of the intersect?
A submarine fires its both torpedoes. The probability of a torpedo hits the target is 3/7. if the target sunk what is the probability of both torpedoes has hit the target?
How would you calculate the height of the building given a watch and substance?
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