Unverified50% confidenceSolutionExact time
For weighted selection, use an unbiased randomInt over the total weight to draw an integer and walk the list, so that each entry's probability is exactly weight / total.
1
Sources
50%
Confidence
Long-term
Relevance
10/17/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedTaskProof's probability-weighted expected net income formula is "net prize × win probability", with a payoff of 0 when losing, and this number applies only to the long-run average of many repeated decisions, not to the actual amount received in a single instance.68% similarUnverifiedAnswer balancing requires that the yes/no labels of each question type be roughly matched in distribution, so that the expected accuracy of random guessing stays around 50%.68% similarUnverified一个随机猜测的模型在单次二元预测中有50%的概率押中68% similarUnverifiedThe two levels of stochasticity in doubly stochastic optimization are mini-batch random sampling over the data and Monte Carlo estimation of the variational expectation.66% similarUnverifiedUnder the exchangeability assumption, the full-sample posterior probability depends only on the multiplicities of the samples and the complete frequency profile.66% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1051829API
curl https://kongchang.com/api/v1/knowledge/claims/1051829MCP
get_claim(id=1051829)