Math miscellaneousHard
Question
If variance of the group ∝, 1 + ∝, ......, n + ∝ is 
, then value of n will be :-
, then value of n will be :-Options
A.21
B.20
C.19
D.none of these
Solution
α, 1 + α, 2 + α,........(n + α)
0, 1, 2,....................n
1,2,3....................(nH)
variance =
0, 1, 2,....................n
1,2,3....................(nH)
variance =
Create a free account to view solution
View Solution FreeMore Math miscellaneous Questions
f(x) = then at x = , f(x) is...If and = 8 then λ + μ + v is equal to...The number of way of distribution of 4 different game and 5 identical balls, among 3 boys, if each boy can take atleast ...Let Sn = and Tn = for n = 1, 2, 3, .... Then,...Let f(x) = If f(x) is continuous in, then f is...