First Year ICS Statistics Chapter 8 Online MCQ Test (Probability Distributions)

This online test contains MCQs about following topics:

Introduction to probability distributions . Probility mass function . Probabilty density function . Simple univariate discrete and continuous distributions . Drawing of probability mass function and probability density function . Expectation and variance of the simple discrete random variable . Distribution function

ICS Part 1 Statistics Chapter 8 Test

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MCQ's Test For Chapter 8 "Statistics Ics Part 1 Chapter 8 Online Test"

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Statistics Ics Part 1 Chapter 8 Online Test

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Question # 1

The binomial distribution is symmetrical when:

Question # 2

If X and Y are independent random variables , the E (XY) is equal to.

Question # 3

Which of the following is true for binomial distribution

Question # 4

For a binomial probability distribution:
n = 10 & the probability of failure (q =0.6), then mean of the distribution is .

Question # 5

An expected value of a random variable is equal to its.

Question # 6

the discrete probability distributio may be represented by.

Question # 7

The number of possible outcomes in Bernoulli trial is

Question # 8

if X and Y are independent random varaibesl the S.D. (X-Y) is equal to

Question # 9

If x is discrete random variable, then the function f (x) is.

Question # 10

If X and Y are random varaibes, than E ( X - Y) is equal to.

Question # 11

Binomial distribution is used when n is

Question # 12

Binomial distribution is positively skewed

Question # 13

Mean, Median and mode of binomial distribution can be equal if

Question # 14

Its value cannot be exactly examined.

Question # 15

The parameters of hypergeometric distribution are:

Question # 16

The probability of even/odd number when a fair die rolled is:

Question # 17

The binomial distribution is symmetrical if

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ICS Part 1 Statistics Chapter 8 MCQs Test

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ICS Part 1 Statistics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The probability of success ------------ from one trial to another when trials are dependent
A. Remains constant
B. Is changed
C. One
D. Zero
2 The hypergeometric distribution has -------------- parameters
A. One
B. Two
C. Three
D. Four
3 Random numbers can be generated
A. Manually
B. Mechanically
C. Botha a and b
D. None of these
4 If X and Y are independent random variables , the E (XY) is equal to.
A. E(XY)
B. E(X) E(Y)
C. XE(Y)
D. YE(X)
5 In binomial distribution, the random variable  has a range:
A. 0,1,2...................n
B. 0,1,2,......+∞
C. -∞ to +∞
D. ∞ to +0
6 Which of the following is true for binomial distribution
A. Mean > variance
B. Mean < variance
C. Mean = variance
D. Mean + standard deviation
7 Binomial distribution is positively skewed
A. P < 1/2
B. P > 1/2
C. P = 1/2
D. P < q < 1/2
8 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) and (C)
9 The mean of binomial distribution is always:
A. Equal to variance
B. Less than variance
C. Greater then variance
D. None of the these
10 The parameters of the binomial distributions are
A. x and n
B. x and p
C. p and q
D. n and p

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