Question Bank • QB_SUB_EM_0158 MSQ • 2 Marks

Section 1: Engineering Mathematics

Probability and Statistics

Subtopic: Mean, median, mode and standard deviation

Question Statement:

Which properties are characteristic of the standard normal probability distribution?

Options:

  • (A) Mean $\mu = 0$ and standard deviation $\sigma = 1$
  • (B) Symmetric bell-shaped curve with skewness equal to 0
  • (C) Total area under the probability density function equals 1
  • (D) Mean, median, and mode coincide at 0

Answer Key:

A, B, C, D

Step-by-Step Solution & Explanation

The standard normal distribution $\mathcal{N}(0, 1)$ satisfies all four canonical statistical properties.
← Previous (QB_EM_PS_002) Next (QB_SUB_EM_0157) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test