Question
At a round table, n persons are seated on n chairs. The probability that two friends from same college are sitting next to each other, is:
More Welfare Economics Questions
- If the first, second and third moment about origin are 2, 8 and 14. respectively, then Karl Pearson gamma coefficient of skewness y1 is:
- For a random variable x, the central moments (µi) of all order exist. The square of (2j + 1)th moment (µ22j+1) is
- The probability density function of a random variable X is f(x) = ( π /10) sin ( π x /5) ; 0 ≤ x ≤ 5. The first quartile of X is:
- Question 4
- The 95% confidence interval of average age of accidents in any city during last year for a sample of size 100 with mean age 34.25 from population of standa...
- The arithmetic mean of the following frequency distribution of number of members in family in the society X: 3 5 ...
- With reference to analysis of variance. which of the following statements is/are correct? (I) Change of origin will affect the value of F (II) Change of ...
- If rp be partial correlation compound on sample rAB.c compound from sample of size n, the test statistic for significance testing is
- Question 9
- The Pearson's correlation coefficient between following observation X: 1 2 3 4 Y: 3 ...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)