Added "Fast Inverse Root"

src/Advanced/Fast Inverse Root/main.typ

@@ -13,7 +13,7 @@
 #show: doc => handout(
   doc,
   group: "Advanced 2",
-  title: [Fast Inverse Root],
+  title: [Fast Inverse Square Root],
   by: "Mark",
 )
 

src/Advanced/Relativity/main.tex

@@ -1,7 +1,7 @@
 % use [nosolutions] flag to hide solutions.
 % use [solutions] flag to show solutions.
 \documentclass[
-	nosolutions,
+	solutions,
 	singlenumbering,
 	shortwarning
 ]{../../../lib/tex/ormc_handout}

src/Warm-Ups/Somewhat Random Numbers/main.typ

@@ -13,7 +13,10 @@ Bob generates 101 random numbers from $[0, 1]$, but deletes the lowest result.
 
 Say we have both of the resulting arrays, but do not know who generated each one. \
 We would like to guess which of the two was generated by Bob. \
-What is the optimal strategy, and what is its probability of guessing correctly?
+- Say we assign the array with the smallest mean to Alice. \
+  What is our probability of guessing correctly?
+- How often do we guess correctly if we instead assign \
+  the array with the smaller _minimum_ to Alice?
 
 
 #solution([