在正常人群中测某正态分布的生化指标,多少人测得值在±3SD中()
A.99.73%
B.50%
C.68.27%
D.95.45%
E.99%
参考答案:A
-Do you like eating the food? -Yes, it great!
A. sounds B. tastes C. looks
生物学消化