BBy Bot
Jun 09'24
Exercise
A number is chosen at random from the set [math]S = \{-1,0,1\}[/math]. Let [math]X[/math] be the number chosen. Find the expected value, variance, and standard deviation of [math]X[/math].
A number is chosen at random from the set [math]S = \{-1,0,1\}[/math]. Let [math]X[/math] be the number chosen. Find the expected value, variance, and standard deviation of [math]X[/math].