4. Probability Distributions: Random Variables
Sums of Random Variables
Suppose:
#\,\,\,\,\,\,\,\,\scriptsize{\bullet}# #\,\mathbb{E}[Y]= 11.7##\,\,\,\,\,\,\,\,\scriptsize{\bullet}# #\,Var[Y]= 1.02##\,\,\,\,\,\,\,\,\scriptsize{\bullet}# #\,\mathbb{E}[Z]= 13.4##\,\,\,\,\,\,\,\,\scriptsize{\bullet}# #\,Var[Z]= 1.01#
#\,\,\,\,\,\,\,\,\scriptsize{\bullet}# #\,X= Y + Z#
Find #\mathbb{E}[X]#.
| #\mathbb{E}[X]=# |
Unlock full access
