DRHR

常見(jiàn)例句

• It is shown that that the mean sample spacings E(Xi+1:n-Xi:n) is nonincreasing in the sample size if distribution is DRHR and E(Xi+1:n-Xi:n)-E(Xi+2:n+1-Xi+1:n+1) is nonnegative if distribution is IFR.
  證明了當(dāng)X具有DRHR年齡性質(zhì)時(shí);E(Xk+1:n-Xk:n)關(guān)于樣本容量n遞減.;而當(dāng)X具有IFR年齡性質(zhì)時(shí);E(Xk+1:n-Xk:n)-E(Xk+2:n+1-Xk+1:n+1)非負(fù)
返回 DRHR