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

Decision Science MCQs

  

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