A. P(X=x)
B. P(X
C. P(X>x)
D. P(X≤x)
Related Mcqs:
- 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. - If a distribution has two modes then this distribution is called______________?
A. Uni-Modal
B. Bi-Modal
C. Tri-Modal
D. Multi-Modal
E. None of these - If in a sampling distribution of X the sample size is 25, what assumption must hold for the sampling distribution of X to be normal ?
A. Population distribution is normal
B. μ1 = μx
C. Population distribution is uniform
D. σx = σx /√n - For a population with any distribution, the form of the sampling distribution of the sample mean is_____________?
A. Sometimes normal for all sample sizes
B. Sometimes normal for large sample sizes
C. Always normal for all sample sizes
D. Always normal for large sample sizes - In a binomial distribution, n = 20 and p = 3/5, then variance of this distribution ______________?
A. 60
B. 12
C. 4.8
D. 0 - if in a binomial probability distribution mean and variance are 6 and 2.4 respectively, then the parameters of this distribution are:____________________?
A. n = 10, p = 6/10
B. n = 50, p = 6/50
C. n = 10, p = 3/5
D. n = 10, p = 2/5 - Normal distribution is a probability distribution of _____ random variable?
A. Continuous
B. Constant
C. Discrete
D. Normal - Every distribution tends to ____ distribution?
A. Small
B. ∞
C. Large
D. Finite - 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 - 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
