Question
The value of a and b so that the following is probability mass function X: 0 1 2 P(X =x): 3a 3b 4b with mean 1.1, is:
More Welfare Economics Questions
- If the first, second, and third moment about the origin are 2, 8, and 18 respectively, then third moment about mean is
- Let x and y be two variables with variance as 1990 and 796 with 11 and 9 number of observations respectively. The value of F(10, 8) at 5% level of signific...
- Question 3
- The variation among the observations of each specific class is known as:
- For a normal distribution, which of the following is true?
- 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 ...
- Completely Randomized Design provides maximum number of degree of freedom for the:
- If r and R denote correlation and multiple correlation coefficient for the data set for X1, X2 and X3 . Which option is correct?
- Which of the following is the most relevant for deriving a point estimate?
- Which of the following small savings schemes currently has a maturity period of 115 months?
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)