494MathematicsMedium
For discrete random ‘X’, the expectation of X i.e., E(x) is equal to:________?
A∑x.P(x)
B∑x 2 P(x)
COne
D∑P(x)
Correct answer
A. ∑x.P(x)
Explanation
The correct answer is ∑x.P(x).
Correct answer
A. ∑x.P(x)
Explanation
The correct answer is ∑x.P(x).
Median is ________ than mean is a positive skewed distribution?
If any value in the data is zero, then it is not possible to have ________?
When the assumption of normality not met we go for________?
In a binomial distribution the probability of ________ changes from trial to trial?
Second moment about mean is________?
Selection of s by the students to solve a paper is ________?