Statistics MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 20, 2025

1. Which of the following examples specifies a continuous random variable:
(A) The outcomes from rolling a six-sided die
(B) The number of flaws in a sheet of plywood
(C) The life of light bulbs produced in a factory
(D) The number of petals on flowers

2. Which of the followings is the distribution of the random digit?
(A) Uniform
(B) Binomial
(C) Normal
(D) Both (A) and (B)

3. Which of the followings is the total area under the density curve?
(A) Zero
(B) 2
(C) 1/2
(D) 1

4. Select the expected value of the random variable.
(A) Mean of distribution
(B) The variance of the distribution
(C) Median of distribution
(D) Both (A) and (B)

5. Probability of an event can never be:
(A) 1
(B) Negative
(C) Positive
(D) Zero

6. Which of the followings is the variable that is the result of the measuring process?
(A) Uniform variable
(B) Continuous variables
(C) Discrete Variable
(D) All of these

7. What is the distribution of the function?
(A) Decreasing
(B) Increasing
(C) Both (A) and (B)
(D) None of these

8. What is the nature of the hypergeometric random variable x?
(A) Continuous
(B) Discrete
(C) Both (A) and (B)
(D) None of these

9. Which of the following experiment results in one of the two mutually exclusive outcomes on each trial?
(A) Binomial process
(B) Bernoulli process
(C) Hypergeometric process
(D) Poisson process

10. Which rule of counting is used to calculate a hypergeometric probability?
(A) Combination
(B) Permutation
(C) Both
(D) None of these