• 2022-10-26
    采用正态近似法估计总体率的95%置信区间,其公式为()
    A: p-1.96S/,p+1.96S/)
    B: p-2.58S/,p+2.58S/)
    C: p-1.96S,p+1.96S)
    D: p-2.58S,p+2.58S)
    E: p-1.96S,p+1.96S)