If X N(55,49) then σ ?

Related Mcqs:

1. Normal distribution has ____shaped?

   A. u-shaped
   B. Bell shaped
   C. T-shaped
   D. Normal shaped

2. For a normal distribution having µ = 241 and σ = 2 P (X≥235) is:_______?

   A. 0.9986
   B. 0.5
   C. 0.475
   D. 0.235

3. N(µ, 2σ) means normally distribution with mean u and variance2σ then (3σ, 4) means _____________?

   A. 46
   B. 76
   C. 36
   D. 47

4. P95 means _____?

   A. The central 95% area
   B. The point above above which95% area lies
   C. The point above below which 95% area lies
   D. Both (a) and (b) but not (c)

5. Total Area under the normal curve is_______________?

   A. Greater than 1
   B. 1
   C. None
   D. Less than 1
   E. 0

6. The _____ order moments about mean are all zero?

   A. None
   B. Four
   C. Add
   D. Even

7. In normal distribution, mean ______= Mode?

   A. Quartile
   B. Mean deviation
   C. Median
   D. S.D.

8. Total area under the normal curve is________?

   A. 100
   B. 1
   C. 50%
   D. 1%

9. The shape of normal curve depends upon ?

   A. None
   B. Mean
   C. Quartile
   D. Standard Deviation
   E. Mean Deviation

10. The Normal Curve is asymptotic to the?

    A. None
    B. X-axis
    C. Y-axis
    D. Along Y=X