A random variable may be _____________?

Related Mcqs:

1. Let X1,X2,……,Xn be a random sample from a density,,,, f(x ι θ) where θ is a value of the random variable Θwith known density gΘ(θ) Then the estimator ∏(θ) with…/ respect to the prior gΘ(θ) is define as_________________E[∏(θ)ιX1,X2,…..,Xn] is called?

   A. Posterior Bay’s estimator
   B. Minimax estimator
   C. Bay’s estimator
   D. Sufficient estimator

2. Let X1,X2,……,Xn be a random sample from a density,,,, f(x ι θ) where θ is a value of the random variable Θwith known density gΘ(θ) Then the estimator ∏(θ) with…/ respect to the prior gΘ(θ) is define as______________E[∏(θ)ιX1,X2,…..,Xn] is called?

   A. Posterior Bay’s estimator
   B. Minimax estimator
   C. Bay’s estimator
   D. Sufficient estimator

3. Let Z1,Z2,….Zn be independent and identically distributedrandom variable, satisfying E[ι Zt ι]<∞. Let N be an integer valued random variable whose value n depends only on the values of the first n Z¡'s. Suppose E(N)< ∞, then E(Z1,Z2,….Zn)=E(N)E(Z) is called ?

   A. Independence Equation
   B. Sequential Probability Likelihood Equation
   C. Neyman Pearson Lemma
   D. Wald’s Equation

4. A function probability that a random variable of x has a value less than is called _____________?

   A. Random function
   B. Distribution function
   C. Continuous function
   D. probability function

5. Discrete random variable is real valued function defined on a ___________ sample space?

   A. Discrete
   B. Variable
   C. Scale
   D. Non of these

6. Probability distribution of a random variable is also know as Probability_________________?

   A. Probability Function
   B. Distribution Function
   C. Probability Distribution
   D. Probability Density Function

7. For a random variable X, E(X) is_______________?

   A. Harmonic Mean
   B. Geometric Mean (GM)
   C. Arithmetic Mean (AM)
   D. Non

8. If c is non-random variable, the E(C) is_______________?

   A. Zero
   B. C
   C. 1
   D. 2

9. A random variable is that whose value is determined by the outcome of _________________?

   A. Trial
   B. event
   C. Experiment
   D. Random experiment

10. When the word random variable use in statistics it must have?

    A. Variable
    B. Probability distribution 
    C. Values
    D. None of these

    Submitted by: Nimra Shaheen