Need math genius to solve multiple choice problems immediately.
You will be paid 5 dollars to help me solve several quick multiple choice math problems. This is an immediate job, we need to start work within minutes. Only apply if you are confident you can answer all of these questions correctly. Here is a sample question:
There are 5000 balls in a bag, of which 4000 are black and 1000 are white. I randomly draw 1000 balls from the bag. What is the probability that the 1001st ball will be black?