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NORMAL DISTRIBUTION — Statistics STD 12 Commerce — Question

Gujarat BoardEnglish MediumSTD 12 CommerceStatisticsNORMAL DISTRIBUTION1 Mark
MCQ
In normal distribution, usually which limits include 99% of the observations ?
  • A
    $\mu \pm 1.96\sigma$
  • B
    $\mu \pm 2\sigma$
  • C
    $\mu \pm 3\sigma$
  • ✓
    $\mu \pm 2.575\sigma$
✓

Answer

Correct option: D.
$\mu \pm 2.575\sigma$
D

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