Question
The value of k so that following is probability mass function X: -2 -1 0 1 2 3 P(X=x):2k 3k 4k 3k 2k k is
More Welfare Economics Questions
- Question 1
- If moment generating function of continuous random variable X is (λ /λ−t) ;t < λ, then E(X3) equals to:
- If the difference between the rank of the 4 observations are 2.5, 0.5, -1.5, -1.5, then Spearman's rank correlation coefficient equals to:
- A B and C are three mutually exclusive and exhaustive events associated with a random experiment. If P(B) = (3/2) P(A) and P(C) = (1/2) P(B) then value of ...
- If the occurrence of events follows Poisson Process with mean rate λ, then inter-occurrence time of events will follow:
- For a random variable x, the central moments (µi) of all order exist. The square of (2j + 1)th moment (µ22j+1) is
- The problem of statistics is given in two sections of same standard. The odds against for section X to solve the problem are 4:3 and odds in favor to secti...
- If A,B and C are arbitrary events, then P(A ∩ B ∩ C) equals to:
- If rp be partial correlation compound on sample rAB.c compound from sample of size n, the test statistic for significance testing is
- With reference to index numbers, which of the following statements is true?
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)