Question 11Let $x_n = \sin^2(n^\circ).$ What is the mean of $x_1,$ $x_2,$ $x_3,$ $\ldots,$ $x_{90}?$$\dfrac{11}{45}$$\dfrac{22}{45}$$\dfrac{89}{180}$$\dfrac{1}{2}$$\dfrac{91}{180}$