Canvas Login Section 3.4 Random variables Find the variance of the above random variable. Round the answer to one decimal place. 13.8 Show Detailed Solution Question Help: Written Example Submit Question Question 8 0/1 pt 319 Details Consider the discrete random variable X given in the table below. Calculate the mean, variance, and standard deviation of X. X 7 11 P(X) 0.13 0.46 14 0.14 0.14 19 20 0.13 = What is the expected value of X? Submit Question Question 9 0/1 pt 3 19 Details Consider the discrete random variable X given in the table below. Calculate the mean, variance, and standard deviation of X. esc F1 1 FEB 9 tv MacBook Air 2 80 A DII F2 F3 F4 F5 F6 F7 F& 2 #3 SA 4 % o5