Confidence interval for a population mean or proportion given sample statistics.
Free tier eligible — 500 calls/month with a free key from /pricing; x402 pay-per-call above quota.
| Parameter | Type | Required | Description |
|---|---|---|---|
mode | string | optional | mean or proportion One of: mean, proportion |
mean | number | optional | Sample mean (mean mode) |
std_dev | number | optional | Sample standard deviation (mean mode) |
n | integer | optional | Sample size |
confidence | number | optional | Confidence level 0..1 (default 0.95) |
successes | integer | optional | Successes (proportion mode) |
curl -s https://wingmanprotocol.com/mcp \
-H 'Content-Type: application/json' \
-H 'Accept: application/json, text/event-stream' \
-d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "confidence_interval", "arguments": {"mode": "mean", "mean": 100, "std_dev": 100}}}'curl -s https://wingmanprotocol.com/tools/confidence_interval \
-H 'Content-Type: application/json' \
-d '{"mode": "mean", "mean": 100, "std_dev": 100}'Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/confidence_interval from your browser.
X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).