小編導(dǎo)讀:對自學(xué)的考生來說,聽輔導(dǎo)課是必不可少的,在網(wǎng)課老師的指導(dǎo)下,學(xué)員自己去精讀鉆研,才能加深對FRM知識的理解,牢固掌握應(yīng)考知識。體驗免費課程>>
  Based on Chebyshev’s inequality, what is the minimum percentage of the observations that will lie between ±2 standard deviations of the mean for a skewed distribution?
  A.56%.
  B.75%.
  C.84%.
  D.95%.
  Answer:B
  Applying Chebyshev’s inequality, 1- [1/ (2)2] = 0.75, or 75%.