(来学网)如果调查应答率至少为总样本的85%,那么实际应调查的样本量为
  • A.
    (来学网)n/(1+85%)
  • B.
    (来学网)n/(1-85%)
  • C.
    (来学网)n/85%
  • D.
    (来学网)n×85%
  • E.
    (来学网)n/85%/α
正确答案:
C