Question
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:
More Welfare Economics Questions
- Question 1
- Which of the following statements is INCORRECT?
- If the first, second and third moment about origin are 2, 8 and 14. respectively, then Karl Pearson gamma coefficient of skewness y1 is:
- A random sample of size 225 is drawn from the population of mean μ and standard deviation σ. The sample mean follows the distribution with mean 100 and sta...
- If moment generating function of continuous random variable X is (λ /λ−t) ;t < λ, then E(X3) equals to:
- For the distribution with unknown θ We set the testing of hypothesis H0 : θ = 1 vs H1 : θ = 2. When the critical region X ≥ 0.4, the value of probability ...
- Which of the following is NOT a way of the sampling?
- For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
- Question 9
- For the two variables X and Y, the following observations are tabulated X: 3 4 4 Y: 2 1 ...
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