Question
Answer the questions based on the information given
below. In a family of three generation, there are eight members M, N, O, P, Q, R, S and T. No single person in the family is a parent. S is the mother-in-law of M. M is the sister of Q. P is the unmarried uncle of O. N is the brother-in-law of P. R is the grandson of N. T is married to R. How is M related to T?Solution
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If A and B are mutually exclusive, the general addition rule is:
The deseasonalised time - series data will have only trend (T), cyclical (C) and irregular (I) components and is expressed as:
If Arithmetic mean and coefficient of variation of x are 10 and 40 respectively, then the variance of y = 10 – 2x is:
A Poisson distribution has a double mode at x = 1 and x = 2. The probability for x = 1 or for x = 2 of these two values is:
If a discrete random variable X follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20, the value of P(|X-14| < 5) will be:
The first four moments of a distribution about the origin are -1.5,17,-30 and 108. The third moment about the mean is:
For a normal distribution, which of the following is true?
If the population skewness of the observations 8,6,3, 1,2,5 is 0.233, then the population skewness of 16,12,6,2,4,10 is:
The variance of degenerate random variable is:
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