Please help me with this

Week 4 Discussion - MAT2058 St x & MAT 2058 Discussion Questions X A ALEKS - Kendra Williams - Week x Course Hero X G Google www-awn.aleks.com/alekscgi/x/Isl.exe/10_u-lgNsikr7j8PBjH-IvTtV_fZtSyVRXFI9F_OAHM6Rx2f6TnS_nmD2sA-elxTO3a0bG2LhWICmqEil10UL6q8 ops Managed bookmarks Standard Deviation.. ISUEMRVT NCSS - H... = Week 2 Quiz Question 4 of 10 (1 point) Question Attempt: 1 of 1 v3 5 V 6 = 8 9 10 Let X be a random variable with the following probability distribution: Value x of X P (X-x) 20 0.05 30 0.30 40 0.50 50 0.05 60 0.10 Find the expectation E (X) and variance Var (X) of X. (If necessary, consult a list of formulas.) E(x) - X 5 ? Var (x ) - Continue Say @2020 McGraw-Hill Education. All Rights Re O re 9 A W E X