If “X” is normally distribution with >µ= 8 and S.D. 4, then P(6≤X≤10) may be______________?
If “X” is normally distribution with >µ= 8 and S.D. 4, then P(6≤X≤10) may be______________? A. 0 B. -0.32 C. 1.2D. 0.2684
If “X” is normally distribution with >µ= 8 and S.D. 4, then P(6≤X≤10) may be______________? A. 0 B. -0.32 C. 1.2D. 0.2684
In normal distribution β1 = 0 and β2 is equal to _____________? A. 0.5 B. 1 C. 2D. 3
For +ve and -ve skewed, check the sign of _______? A. β1 B. µ2 C. β2D. µ3
Total area under the normal curve is________? A. 100B. 1 C. 50% D. 1%
Normal distribution is _____ distribution? A. Symmetrical B. non-symmetrical C. + vely skewed D. -vely skewed
Area to the right of (z=0) is the area for ____ values of z? A. Zero B. NegativeC. Positive D. None of these
The standardized normal variate z means_________ away from the mean? A. MeanB. S.D. C. Variance D. None of these
In a normal distribution, what is the z score associated with the mode ? A. -1B. 0 C. +1 D. None of these
If X ˜ N (µ, σ2) then Z ˜__________? A. N(0, σ2) B. N(1, σ2)C. N(0, 1) D. N(1, 1)
Normal distribution is the distribution of _______________? A. Discrete r.v.B. Continuous r.v. C. Qualitative variable D. Quantitative variable