### Question:
Beta extends AbstractObservable implements Distribution { public AxisType getAxisType() { return AxisType.LINEAR; } Beta(double alpha, double beta); AxisType getAxisType(); double getAlpha(); double getBeta(); double getQuantile(double p); @Override boolean equals(Object o); @Override double getCumulativeProbability(double x);  }### Answer:
@Test public void testAxisTypeShouldBeLinear() { assertEquals(AxisType.LINEAR, new Beta(1, 1).getAxisType()); }