src/Warm-Ups/Tuesday/main.typ

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+#import "@local/handout:0.1.0": *
+
+#show: handout.with(
+  title: [Warm-Up: Tuesday],
+  by: "Mark",
+)
+
+#problem()
+Charlie has two children. \
+One of them is a boy born on a Tuesday. \
+What is the probability that Charlie has two boys?
+
+#solution([
+  $13 / 27$, which notably isn't $1/2$.
+
+  #v(2mm)
+
+  Draw a $14 times 14$ square, highlight the possible cases, and you'll see it. \
+
+  #v(2mm)
+
+  Order is very important in this problem. \
+  If we knew that the _first_ child was a boy born on Tuesday,
+  the probability of two boys would be $1/2$. \
+  Also consider a smaller case where a week has two days.
+])

src/Warm-Ups/Tuesday/meta.toml

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+[metadata]
+title = "Tuesday"
+
+[publish]
+handout = true
+solutions = true