A. .2745
B. .3789
C. .79079
D. .6745
Normal Distribution
The ….. order moments about mean are all zero?
A. None
B. Four
C. Add
D. Even
If n ≥ 30 and ….. then binomial approaches to normal distribution?
A. q/p
B. p = q
C. pq
D. p = n
In normal distribution Q1=………?
A. u + .6745 (S.D.)
B. u – .7979 (S.D.)
C. u + .6745 (S.D.)
D. u – .6745 (S.D.)
Every distribution tends to …. distribution?
A. Small
B. ∞
C. Large
D. Finite
Standard normal variable Z is………..?
A. x – µ /σ
B. µ- x /σ
C. σ – x/ µ
D. x – σ/ µ
Area of normal distribution total is equal to …….?
A. Two
B. One
C. Four
D. Three
In normal distribution, mean ……= Mode?
A. Quartile
B. Mean deviation
C. Median
D. S.D.
Normal distribution is the distribution of ……………?
A. Discrete r.v.
B. Continuous r.v.
C. Qualitative variable
D. Quantitative variable
If X ˜ N (µ, σ2) then Z ˜……….?
A. N(0, σ2)
B. N(1, σ2)
C. N(0, 1)
D. N(1, 1)