03/08/21

suppose that 3 cards are drawn from a well shuffled deck of 52 cards. what is the probability that all 3 are hearts?
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06/02/19

I roll 6-sided dice until the sum exceeds 50. What is the expected value of the final roll?
I roll 6-sided dice until the sum exceeds 50. What is the expected value of the final roll? I am not sure how to set this one up. This one is not homework, by the way, but a question I am making... more
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06/02/19

Name this paradox about most common first digits in numbers?
I remember hearing about a paradox (not a real paradox, more of a surprising oddity) about frequency of the first digit in a random number being most likely 1, second most likely 2, etc. This was... more
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05/08/19

Calculating the angle between two lines without having to calculate the slope? (Java)?
I have two Lines: L1 and L2. I want to calculate the angle between the two lines. L1 has points: `{(x1, y1), (x2, y2)}` and L2 has points: `{(x3, y3), (x4, y4)}`. How can I calculate the angle... more
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