variance, and Standard COMPLETING THE TABLE: Find the expected value (mean value), variance, and Standard deviation of a discrete random variable. X Probability (X) X. P(X) (X - p) (X- (X - p). P(X) 0.01 0.21 0.21 0.42 0.84 3 0.1 0.3 4 0.11 0.44 0.08 0.40 0.07 0.42 PAIL
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- Probability Scores 0.15 1 0.1 2 0.15 8 0.05 9 0.4 13 0.15 14 Find the variance of the above random variable random variable.Directions: Compute the expected value, variance, and standard deviation for random variable X whose probability table is given below: Possible Outcome -1 0 1/7 1/7 Probability Probability Table for X 1. The Expected Value of X is E(X) 2. The Variance of X is Var(X) 3. The Standard Deviation of X is Std(X) 1 2 5/14 5/14Complete the expected value table x P(x) 0 0.2 1 0.2 2 0.4 3 0.2 (a) Find the expected value from the expected value table? =0*0.2+1*0.2+2*0.4+3*0.2 =(0+0.2+0.8+0.6) =1.6 Find the standard deviation. x P(x) 0 0.2 1 0.2 2 0.4 3 0.2 Please find only the standard deviation of the second chart plz and thanks.