524StatisticsMedium
The Harmonic Mean of two number is ‘a’ and ‘b’ is given by ________?
A√ab
BNone of these
Ca+b/2
D2ab/a+b
Correct answer
D. 2ab/a+b
Explanation
The correct answer is 2ab/a+b.
Correct answer
D. 2ab/a+b
Explanation
The correct answer is 2ab/a+b.
In binomial experiment, the experiment is repeated ________?
If a card is chosen from a standard deck of cards, what is the probability of getting a five or a seven?
Normal distribution is a probability distribution of ________ random variable?
If E(θˆ)=θ, then θˆ is said to be________?
Each trial in Binomial distribution has:________?
Who give the concept of standard deviation and CV?