{"slug":"math-stats-x402tookit-com-confidence-interval-4a032a","title":"Confidence interval for a mean (t interval from a list) or a proportion (Wilson ","host":"math-stats.x402tookit.com","method":"GET","resource":"https://math-stats.x402tookit.com/confidence-interval","category":"other","description":"Confidence interval for a mean (t interval from a list) or a proportion (Wilson and Wald from successes and trials).","price_listed":0.02,"price_asked":0.02,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":362,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"confidence":0.95,"kind":"proportion","successes":50,"trials":100},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"confidence":{"description":"0.80 to 0.999 (default 0.95)","type":"number"},"kind":{"description":"mean or proportion","type":"string"},"successes":{"description":"For proportion: number of successes","type":"number"},"trials":{"description":"For proportion: number of trials","type":"number"},"values":{"description":"For mean: the sample values","type":"string"}},"required":["kind"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"asOf":{"type":["null","string"]},"confidence":{"type":["null","number"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"marginOfErrorWald":{"type":["null","number"]},"notChecked":{"items":{"type":"string"},"type":["array","null"]},"proportion":{"type":["null","number"]},"reasons":{"items":{"type":"string"},"type":["array","null"]},"source":{"type":["null","string"]},"successes":{"type":["null","number"]},"summary":{"type":["null","string"]},"trials":{"type":["null","number"]},"verdict":{"type":["null","string"]},"wald":{"properties":{"lower":{"type":["null","number"]},"upper":{"type":["null","number"]}},"type":["null","object"]},"wilson":{"properties":{"lower":{"type":["null","number"]},"upper":{"type":["null","number"]}},"type":["null","object"]},"zCritical":{"type":["null","number"]}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.02,"price_match":true,"latency_ms":362,"error":null}],"description_full":"Confidence interval for a mean (t interval from a list) or a proportion (Wilson and Wald from successes and trials).","last_updated":"2026-10-20T20:46:35.755Z","schemes":["exact"]}