3 ms·
That's the menace of expected-value problems. They are easy-to-solve variants of more interesting hard-to-solve problems.
by gowld 5mo ago
That's the menace of expected-value problems. They are easy-to-solve variants of more interesting hard-to-solve problems.
- _alternator_ 5mo agoIs the probability actually more interesting though? I find the symmetry of this type of result extremely compelling, beautiful even. Buffon himself restricted his attention to the case where the needle was short enough that "probability" and "expectation" had the same answer. Put simply, math is best when complicated-seeming things suddenly become simple.