\n\\documentclass{article}
\n\\usepackage{pgfplots}
\n\\usepackage{amssymb, amsmath}
\n\\usepackage{tikz}
\n\\usepackage{xcolor}
\n\\pgfplotsset{compat=1.7}
\n\\begin{document}
\n\\pgfmathdeclarefunction{gauss}{2}{\\pgfmathparse{1\/(#2*sqrt(2*pi))*exp(-((x-#1)^2)\/(2*#2^2))}%
\n}
\n\\begin{tikzpicture}
\n\\begin{axis}[no markers, domain=0:10, samples=100,
\naxis lines*=left, xlabel=Standard deviations, ylabel=Frequency,,
\nheight=6cm, width=10cm,
\nxtick={-3, -2, -1, 0, 1, 2, 3}, ytick=\\empty,
\nenlargelimits=false, clip=false, axis on top,
\ngrid = major]
\n\\addplot [fill=cyan!20, draw=none, domain=-3:3] {gauss(0,1)} \\closedcycle;
\n\\addplot [fill=orange!20, draw=none, domain=-3:-2] {gauss(0,1)} \\closedcycle;
\n\\addplot [fill=orange!20, draw=none, domain=2:3] {gauss(0,1)} \\closedcycle;
\n\\addplot [fill=blue!20, draw=none, domain=-2:-1] {gauss(0,1)} \\closedcycle;
\n\\addplot [fill=blue!20, draw=none, domain=1:2] {gauss(0,1)} \\closedcycle;
\n\\addplot[] coordinates {(-1,0.4) (1,0.4)};
\n\\addplot[] coordinates {(-2,0.3) (2,0.3)};
\n\\addplot[] coordinates {(-3,0.2) (3,0.2)};
\n\\node[coordinate, pin={68.2\\%}] at (axis cs: 0, 0.4){};
\n\\node[coordinate, pin={95\\%}] at (axis cs: 0, 0.3){};
\n\\node[coordinate, pin={99.7\\%}] at (axis cs: 0, 0.2){};
\n\\node[coordinate, pin={34.1\\%}] at (axis cs: -0.5, 0){};
\n\\node[coordinate, pin={34.1\\%}] at (axis cs: 0.5, 0){};
\n\\node[coordinate, pin={13.6\\%}] at (axis cs: 1.5, 0){};
\n\\node[coordinate, pin={13.6\\%}] at (axis cs: -1.5, 0){};
\n\\node[coordinate, pin={2.1\\%}] at (axis cs: 2.5, 0){};
\n\\node[coordinate, pin={2.1\\%}] at (axis cs: -2.5, 0){};
\n\\end{axis}
\n\\end{tikzpicture}
\n\\end{document}
\n<\/code><\/p>\n\n\n