Suppose you have two covariance matrices A and B. Is AB also a covariance matrix? Suppose that, by plain dumb luck, we also have that AB=BA. Is AB a covariance matrix under this additional condition?
Operations Research Intern Interview Questions
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Suppose you have 100 GB of data that you want to sort, but you only have 1 GB of memory. How would you sort this data?
a deck of pokers. Three choices: A: 26 black, 26 Red; B: 13 black, 13 Red; C: random 26 card from the deck. Take the first two cards, if same color, the win $1, otherwise lose $1. Which deck is best for you if you are playing? Why? How to do simulations? How to draw the random pile of 26 cards?
Recent Economic Activity - Throw some light on the facts Stock Exchange based questions Accounting principles and terms Terms related to financial statements
basics of fermentation
Rederive the MLE estimate for the weights with RMSE loss for linear regression.
If you have two coins, one is a fair coin and other is with two heads. If you get a coin and flip it, then if you know that is head, what is the probability that this coin is the fair one.
Suppose there is a point A on road. From this point, probability of any car to pass in 20 min. is p; then tell what is probability for any car to pass in 2 min.?
Are you really interested to do research on the specified topic?
How do we measure your succes and the success of others?
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