Question: 10) Find the variance and SD of random variable (X) as shown in the table. X 2 -2 18 20 38 P(x) 38 a)

10) Find the variance and SD of random variable (X) as shown in the table. X 2 -2 18 20 38 P(x) 38 a) O b) O c) O = 3.989, = 1.997 2 = 0894, = 0.945 2 = 0.935, = 0.966 = 0.879, = 0.937

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