diff --git a/include/sta/math/probability/randomVariable.hpp b/include/sta/math/probability/randomVariable.hpp
new file mode 100644
index 0000000..f880819
--- /dev/null
+++ b/include/sta/math/probability/randomVariable.hpp
@@ -0,0 +1,20 @@
+#ifndef STA_MATH_PROBABILITY_RANDOMVARIABLE_HPP
+#define STA_MATH_PROBABILITY_RANDOMVARIABLE_HPP
+
+namespace sta
+{
+namespace math
+{
+namespace probability
+{
+    struct grv
+    {
+        float mean;
+        float variance;
+    };
+}  // namespace probability
+}  // namespace math
+}  // namespace sta
+
+
+#endif //STA_MATH_PROBABILITY_RANDOMVARIABLE_HPP
\ No newline at end of file