Learn probability distributions multiple choice questions (MCQs), business statistics test 1 for online exams. Practice discrete probability distributions MCQs questions and answers on discrete probability distributions, standard normal probability distribution, binomial distribution, rectangular distribution with answers. Free probability distributions quiz, online study guide has helping answer key with choices as probability of p , probability of q, trials and all of above of multiple choice questions as in binomial probability distribution, dependents of standard deviations must includes to test learning skills for viva exam preparation and job's interview questions. Study to learn discrete probability distributions quiz questions with online learning MCQs for competitive exam preparation test.

MCQ. In binomial probability distribution, the dependents of standard deviations must includes

1. probability of q
2. probability of p
3. trials
4. all of above

D

MCQ. The formula to calculate standardized normal random variable is

1. x - μ ⁄ σ
2. x + μ ⁄ σ
3. x - σ ⁄ μ
4. x + σ ⁄ μ

A

MCQ. In random experiment, the observations of random variable are classified as

1. events
2. composition
3. trials
4. functions

C

MCQ. In binomial distribution, the formula of calculating standard deviation is

1. square root of p
2. square root of pq
3. square root of npq
4. square root of np

C

MCQ. The variance of random variable x of gamma distribution can be calculated as

1. Var(x) = n + 2 ⁄ μsup2;
2. Var(x) = n ⁄ μsup2;
3. Var (x) = n * 2 ⁄ μsup2;
4. Var(x) = n - 2 ⁄ μsup3;

B