(317.44, 70.08) – (318.40, 69.67) – (319.36, 69.30) – (320.32, 68.96) – (321.28, 68.66) – (322.24, 68.38) – (323.20, 68.14) – (324.16, 67.92) – (325.12, 67.73);

( 0.00, 0.00) rectangle (354.12,252.94);

(230.06, 61.20) – (325.12, 61.20);

(230.06, 61.20) – (230.06, 55.20);

(253.83, 61.20) – (253.83, 55.20);

(277.59, 61.20) – (277.59, 55.20);

(301.36, 61.20) – (301.36, 55.20);

(325.12, 61.20) – (325.12, 55.20);

at (230.06, 39.60) [20]{};

at (253.83, 39.60) [40]{};

at (277.59, 39.60) [60]{};

at (301.36, 39.60) [80]{};

at (325.12, 39.60) [100]{};

(226.26, 66.48) – (226.26,198.47);

(226.26, 66.48) – (220.26, 66.48);

(226.26, 99.48) – (220.26, 99.48);

(226.26,132.47) – (220.26,132.47);

(226.26,165.47) – (220.26,165.47);

(226.26,198.47) – (220.26,198.47);

at (211.86, 66.48) [0.00]{};

at (211.86, 99.48) [0.02]{};

at (211.86,132.47) [0.04]{};

at (211.86,165.47) [0.06]{};

at (211.86,198.47) [0.08]{};

(226.26, 61.20) – (328.92, 61.20) – (328.92,203.75) – (226.26,203.75) – (226.26, 61.20);

(177.06, 0.00) rectangle (354.12,252.94);

at (277.59, 15.60) [$x$]{};

at (187.86,132.47) [$f_X(x|\mu=60, \sigma^2)$]{};

( 0.00, 0.00) rectangle (354.12,252.94);

at (277.59,212.14) [$\sigma=$ 15]{};

(226.26, 61.20) rectangle (328.92,203.75);

(277.59, 66.48) – (277.59,110.36) – (277.71,110.36) – (277.83,110.35) – (277.95,110.35) – (278.07,110.34) – (278.19,110.33) – (278.31,110.32) – (278.43,110.31) – (278.55,110.29) – (278.67,110.28) – (278.79,110.26) – (278.91,110.24) – (279.03,110.22) – (279.15,110.19) – (279.27,110.16) – (279.39,110.14) – (279.51,110.10) – (279.63,110.07) – (279.75,110.04) – (279.87,110.00) 