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Probability Distributions Online Exam Quiz

Important questions about Probability Distributions. Probability Distributions MCQ questions with answers. Probability Distributions exam questions and answers for students and interviews.

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

Options

A : a. probability of q

B : b. probability of p

C : c. trials

D : d. all of above

Options

A : a. x - ? ? ?

B : b. x + ? ? ?

C : c. x - ? ? ?

D : d. x + ? ? ?

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

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A : a. events

B : b. composition

C : c. trials

D : d. functions

In binomial distribution, the formula of calculating standard deviation is

Options

A : a. square root of p

B : b. square root of pq

C : c. square root of npq

D : d. square root of np

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

Options

A : a. Var(x) = n + 2 ? ?²;

B : b. Var(x) = n ? ?²;

C : c. Var (x) = n * 2 ? ?²;

D : d. Var(x) = n - 2 ? ?³;

The formula in which the Poisson probability distribution approaches normal probability distribution with the help of normal variable is written as

Options

A : a. x + ? ? square root of ?

B : b. x * ? ? square root of x*?

C : c. x - ? ? square root of ?

D : d. x + ? ? square root of pq?

The distribution whose function is calculated by considering the Bernoulli trials that are infinite In number is classified as

Options

A : a. negative Poisson distribution

B : b. bimodal cumulative distribution

C : c. common probability distribution

D : d. negative binomial probability distribution

In the Poisson probability distribution, if the value of ? is integer then the distribution will be

Options

A : a. bimodal

B : b. unimodal

C : c. positive modal

D : d. negative modal

Options

A : a. 1040

B : b. 1340

C : c. 1240

D : d. 1140

The tail or head, the one or zero and the girl and boy are examples of

Options

A : a. non-functional events

B : b. complementary events

C : c. non complementary events

D : d. functional events

If the value of p is smaller or lesser than 0.5 then the binomial distribution is classified as

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A : a. skewed to right

B : b. skewed to left

C : c. skewed to infinity

D : d. skewed to integers

Options

A : a. 0.425

B : b. 0.125

C : c. 0.225

D : d. 0.325

Options

A : a. ? = p + q

B : b. ? = np

C : c. ? = pq

D : d. ? = qn

The value which is obtained by multiplying the possible values of random variable with the probability of occurrence and is equal to weighted average is called

Options

A : a. discrete value

B : b. weighted value

C : c. expected value

D : d. cumulative value

Options

A : a. 1925

B : b. 6364

C : c. 63.64

D : d. 3500

Options

A : a. 0.5

B : b. 3

C : c. 2.5

D : d. 3.5

Options

A : a. p and q

B : b. a and b

C : c. p + q

D : d. p - q

Options

A : a. 0.467

B : b. 0.167

C : c. 0.267

D : d. 0.367

The class of variable which can accept any value within the upper and lower limit is classified as

Options

A : a. posterior random variable

B : b. interior random variable

C : c. discrete random variable

D : d. continuous random variable

Options

A : a. ?1.5

B : b. ?1.2

C : c. ?1.7

D : d. ?4