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+# bool
+
+```js
+    // usages
+    chance.bool()
+    chance.bool({ likelihood: 30 })
+```
+Return a random boolean value (`true` or `false`).
+
+```js
+chance.bool();
+=> true
+```
+
+The default likelihood of success (returning `true`) is 50%.
+Can optionally specify the likelihood in percent:
+
+```js
+chance.bool({likelihood: 30});
+=> false
+```
+
+In this case only a 30% likelihood of `true`, and a 70% likelihood of `false`.
+