Two friends, Alice and Bob, plan to meet at a café. They agree to arrive between 1:00 PM and 2:00 PM. However, they did not set a specific time to meet; instead, each of them will arrive at a ...
Quantaily Latest Questions
Can the product of two covariance matrices AB be a covariance matrix, especially if AB=BA?
What’s the optimal distribution of marbles between two drawers to maximize the chance of drawing a red marble?
How do you construct a 50% probability event with a biased coin, and what strategies can minimize the flips needed, for this and any bias?
What’s the probability that a table with three legs randomly placed on a round disk will stand when flipped?
Why might you end up dining with your girlfriend 90% of the time if you take the first subway train that arrives, given that trains to downtown and uptown run at the same intervals?
What is the average speed for two rounds of a race driven at different speeds? First one at 100 mph, while second round for 200 mph.
How can you identify one ball of a different weight from 12 balls using a balance scale three times?