Decision Science | Chapter 5 | Part 4 | MBA MCQs | DS

Decision Science MCQs

  

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1. Each trial in Binomial distribution has
   
   1.   One Outcome
   2.   Two Outcome
   3.   Four Outcome
   4.   Three Outcome
2. Which of the following is not the property of binomial
   distribution
   
   1.   has two outcomes
   2.   Probability of success varies from trial to trial
   3.   Trials are independent
   4.   n is fixed
3. In binomial distribution n=6 and p=0.9, then the value of
   P(X=7) is
   
   1.   Zero
   2.   More than zero
   3.   Less than zero
   4.   One
4. A fair coin is tossed four times, the probability of getting four
   heads is
   
   1.   1/2
   2.   1/16
   3.   0
   4.   1
   5.   1/4
5. Binomial distribution is symmetrical when
   1.   p > q
   2.   np > npq
   3.   p = q
   4.   p < q
6. In a binomial probability distribution it is impossible to nd
   
   1.   P(X < 0)
   2.   P(X = 0)
   3.   P(0=< X =< n)
   4.   P(X > 0)
7. In which distribution successive trials are without
   replacement
   
   1.   Poisson Distribution
   2.   Hypergeometric Distribution
   3.   Geometric Distribution
   4.   Binomial Distribution
8. Binomial distribution is negatively skewed when
   1.   p > 1/2
   2.   p = 1/3
   3.   p = 0
   4.   p < 1/2
   5.   p = -1/2
9. The mean, median and mode for binomial distribution will
   be equal when
   
   
   1.   p = 1
   2.   p < 0:5
   3.   p = 0:5
   4.   None of these
   5.   p > 0:5
10. The probability of success changes from trial to trial in
    
    1.   Geometric Distribution
    2.   Binomial Distribution
    3.   Sampling Distribution
    4.   Hypergeometric Distribution
11. A random variable X has binomial distribution with n = 10
    and p = 0.3 then variance of X is
    
    1.   10
    2.   21
    3.   12
    4.   None
    5.   2.1
12. Successive trials in binomial distribution are
    1.   None
    2.   Dependent
    3.   Equally Likely
    4.   Mutually Exclusive
    5.   Independent
13. The variance of binomial distribution is always
    1.   Less than mean
    2.   Equal to standard deviation
    3.   None of these
    4.   Greater than mean
    5.   Equal to mean
14. If in a binomial distribution n = 1 then E(X) is
    
    
    1.   q
    2.   1
    3.   0
    4.   p
    5.   None
15. The mean of binomial distribution is
    1.   (nq)^1/2
    2.   (np)^1/2
    3.   npq
    4.   (npq)^1/2
    5.   np
16. Binomial distribution has parameters
    1.   Four
    2.   Two
    3.   Three
    4.   One