Question 1058905
For the middle to contain 60%, then the tails must contain 40% total or each must have 20%. 
So find a such that {{{P(a)=0.2}}} then you'll know that {{{P(a<x<-a)=0.6}}}
{{{P(a)=0.2}}}
{{{a=-0.84162}}}
So, 
{{{P(-0.842<x<0.842)=0.6}}}