The area under the normal distribution curve outside the interval of z=1 and z=3.09 is_____________?

Related Mcqs:

1. A frequent distribution in which class interval size is not the same is called frequency distribution with ________class interval size?

   A. Open-end
   B. Distribution
   C. Componemt
   D. Unequal

2. If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?

   A. Only when the sample size is at least 100.
   B. Only when the sample size is smaller than 30
   C. Always
   D. Only when the sample size is at least 30.

3. In Normal distribution, the parameter which controls the flatness of the curve is____________?

   A. µ,σ
   B. None
   C. µ, MD
   D. 2∏—√,e

4. Normal distribution is a probability distribution of _____ random variable?

   A. Continuous
   B. Constant
   C. Discrete
   D. Normal

5. Normal distribution is the distribution of _______________?

   A. Discrete r.v.
   B. Continuous r.v.
   C. Qualitative variable
   D. Quantitative variable

6. Normal distribution is _____ distribution?

   A. Symmetrical
   B. non-symmetrical
   C. + vely skewed
   D. -vely skewed

7. When in a frequency distribution the maximum frequency occur at one end, then the frequency curve of such distribution is ________________?

   A. J- shaped
   B. U- shaped
   C. Bell- shaped
   D. V- shaped

8. Mean deviation of Normal Distribution is_____________?

   A. 45σ
   B. 34σ
   C. 78σ
   D. 23σ

9. condition for applying Central Limit Theorem (CLT) which approximate the sampling distribution of the mean with a normal distribution is ?

   A. n > 30
   B. N(1 – p) > 5
   C. 2 n 5
   E. N < 30

10. __________ of the distribution which is measured relative to the distribution known as Normal?

    A. Skewed
    B. Flatness
    C. Normal
    D. Moment