VA Exam #4 - MAT 211, section X Course Hero x Homework Help - Q&A fror X Launch Meeting - Zoom X C Get Homework Help With ( X + X -) C A webassign.net/web/Student/Assignment-Responses/last?dep=23616992 V . . . Calculate the standard deviation o or A for the probability distribution. (Round your answer to two decimal places. ) 0 = X 0 1 2 3 P(X = x) 0.1 0.3 0.5 0. 1 -/2 POINTS WANEFMAC7 9.4.001. MY NOTES ASK YOUR TEACHER Compute the (sample) variance and standard deviation of the data sample. (Round your answers to two decimal places.) -1, 7, 7, 9, 13 variance standard deviation 9 -/3 POINTS WANEFMAC7 9.4.017. MY NOTES ASK YOUR TEACHER Calculate the expected value, the variance, and the standard deviation of the given random variable X. (Round all answers to two decimal places.) X is the number of tails that come up when a coin is tossed twice. expected value variance standard deviation Type here to search O M r Desktop ? 10:35 AM 4/30/2020