The mean of binomial distribution is:__________________?
A. npq
B. np
C. √npq
D. √np
E. nq—√
The probability of success changes from trial to trial in:___________________?
The probability of success changes from trial to trial in:___________________?
A. Binomial distribution
B. Geometric distribution
C. Sampling distribution
D. Hypergeometrical distribution
The mean and the variance are equal in________________?
The mean and the variance are equal in________________?
A. All probability distribution
B. The hypergeometric distribution
C. The binomial distribution
D. The Poisson distribution
If mean of the binomial probability distribution is 4.8, then variance of this distribution is :_______________?
If mean of the binomial probability distribution is 4.8, then variance of this distribution is :_______________?
A. -2.3
B. 5.3
C. -4.8
D. 2.3
When ‘n’ becomes very large, binomial distribution tends to ______________?
When ‘n’ becomes very large, binomial distribution tends to ______________?
A. Poisson dist
B. Standard dist
C. Normal dist
D. Hyper-geometric distribution
For a binomial distribution with n = 15 as p changes from. 50 toward. 05 the distribution will__________?
For a binomial distribution with n = 15 as p changes from. 50 toward. 05 the distribution will__________?
A. Become more positively skewed
B. Become more negatively skewed
C. Become symmetrical
D. All of the above.
In a binomial distribution, n = 10 p= 3/5, its mean is:_________________?
In a binomial distribution, n = 10 p= 3/5, its mean is:_________________?
A. 6
B. 1
C. 2/5
D. None of these
Which of the following case is true for hyper geometric distribution________________?
Which of the following case is true for hyper geometric distribution________________?
A. Probability remains constant for all the trials.
B. Probability changes from trial to trial
C. Successive trial are dependent
D. Both (b) & (c) but not (a)
The binomial distribution is symmetrical when:______________?
The binomial distribution is symmetrical when:______________?
A. P > q
B. P = 1/2
C. Probability of success & probability of failure are equal
D. Both (b) & (c) but not (a)
What is the mean of binomial distribution ____________?
What is the mean of binomial distribution ____________?
A. X
B. n x p
C. n(1 – 1)
D. ∑fx/∑f