# Probability & Statistics Imp Qusts – PS Important Questions

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## Probability & Statistics Imp Qusts Pdf file – PS Important Questions

Please find the attached pdf file of Probability & Statistics Important Questions Bank – PS Imp Qusts

#### Link – PS Question Bank

UNIT-I
SINGLE RANDOM VARIABLES AND PROBABILITY DISTRIBUTIONS

1. Explain probability distribution for discrete and continuous?
2. If X is Discrete Random variable then Prove that Var (a X +b) = a2 var(X)?
3. Write the properties of the Normal Distribution?

UNIT-II
MULTIPLE RANDOM VARIABLES, CORRELATION &REGRESSION

1. State the properties of joint distribution function of two random variable?
2. Explain about random vector concepts?
3. If a random variable W=X+Y where X and Y are two independent random variables, What is the density function of W?

UNIT-III
SAMPLING DISTRIBUTIONS AND TESTING OF HYPOTHESIS

1. Explain different Types and Classification of sampling?
2. Write about Point Estimation, Interval Estimation?
3. Write a short note on Hypothesis, Null and Alternative with suitable examples?

UNIT-IV
QUEUING THEORY

1. Explain queue discipline?
2. Explain pure birth process?
3. Explain pure death process?

UNIT-V
STOCHASTIC PROCESSES

1. Define stochastic process
2. Explain different types of stochastic process
3. Give examples of stochastic process