2019-수학-가형-홀수-15

문제

2019-수학-가형-홀수-15

풀이

from sympy import stats
X = stats.Normal("x", 66.4, 15)
(stats.P(X>73)*0.4+stats.P(X<73)*0.2).evalf()
\[\displaystyle 0.265993710732119\]