From 033c18b5c2341ffd7b9d09c30f75d4f288084580 Mon Sep 17 00:00:00 2001 From: zleyyij Date: Tue, 16 Jan 2024 14:16:28 -0700 Subject: [PATCH] vault backup: 2024-01-16 14:16:28 --- education/statistics/Probability.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/education/statistics/Probability.md b/education/statistics/Probability.md index 59062b8..60f92e8 100644 --- a/education/statistics/Probability.md +++ b/education/statistics/Probability.md @@ -76,4 +76,6 @@ m The *expected value*(EV) for the *sum* of all draws is $num_{draws}*ave_{box}$. The *standard error* (SE) for the sum of all draws is $\sigma_{box} \sqrt{num_{draws}}$ -68% of the data will be within +- 1 SE of the EV. \ No newline at end of file +68% of the data will be within +- 1 SE of the EV. + +to find the % of data between two points, find $z_1$ and $z_2$, then $normalcdf(z_1, z_2)$ and multiply by 100% \ No newline at end of file