1.The mean deviation about the mean for normal distribution is
a)$\small \frac{4}{5}\sigma$
b) $\small \frac{5}{4}\sigma$
c)$\small \frac{4}{3}\sigma$
Ans: a
2. The mode of the normal distribution is
a) $\small \mu$
b) $\small \mu_{4}$
c) $\small \sigma$
Ans: a
3. Suppose $\small X_{1}$ and $\small X_{2}$follows normal distribution with mean 0 and sd 1. What will be the distribution of $small X_{1}$ + $X_{2}$?
a)$\small N(0,1)$
b) $\small N(0,2)$
c) $\small N(0,4)$
Ans: b
MCQs on Rectengular or Uniform distribution, Gamma distribution, Beta distribution
4.If X follows Normal distribution, then what will be the distribution of $\small e^x$ ?
a)Normal
b)exponential
c)Log Normal
Ans: c
5.For Normal Distribution $\small Q.D$:$\small M.D$:$\small S.D$
a)12:10:15
b)10:12:15
c)12:15:10
Ans: b
6.$\small X\sim N(1,9)$; $\small Y\sim N(2,16) $, then The distribution of $\small Z=Y-X$ is
a) $\small N(1,25)$
b)$\small N(2,25)$
c)$\small N(4,5)$
Ans: a
7."Normal distribution follows Additive property"- is it true?
a) Yes
b)No
c)sometimes
Ans: a
MCQs on Poisson Distribution
8.Normal distribution is limiting case of
a)Binomial
b)Poisson
c) Both
Ans: c
9.The graph of Normal Distribution is ______________shaped.
a)bell
b)clock
c)bowl
Ans: a
10. For Normal Distribution $\Phi (-z)$=?
a) $1-\Phi (z)$
b) $\Phi (z)$
c) $1+\Phi (-z)$
Ans: a