Question
If the mean and variance of a binomial distribution are 5 and 4, respectively, then the value of n is:
More Welfare Economics Questions
- The mode of the given data set is 12. The sum of the frequency on both sides of mode are 16. The skewness:
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- If the first, fifth and ninth decile of frequency distribution xi ∣ fi are 3,10,16, respectively, then Kelly's coefficient of skewness is:
- For a normal distribution, which of the following is true?
- The probability of getting a total of 7 on two dice thrown together is:
- For a distribution, mean is 40, median is 40.5 and mode is 41. The distribution is:
- If moment generating function of continuous random variable X is (λ /λ−t) ;t < λ, then E(X3) equals to:
- Marshall-Edgeworth Index number:
- For the distribution X: 1 0 1 P(x): 0.3 0.5 0.2 the third factorial moment is
- If A and B are manually exclusive events such that P(A)P(B) > 0 , then which option is correct?
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