Question 383849
{{{-2.0 <= X <= 2.9}}};
{{{(-2.0 - 5.2)/3.8 <= (X - 5.2)/3.8 <= (2.9 - 5.2)/3.8}}};
{{{-1.895 <= Z <= -0.605}}}.  The formula for z-scores is {{{z = (X-mu)/sigma}}}.