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

Binomial distribution is used when n is

Question # 2

The probabilyt that a continous random varaibe 'x ' takes on specific value of x is.

Question # 3

The parameters of the binomial distributions are

Question # 4

If (E(X) = E than find arithmetic means will be.

Question # 5

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

Question # 6

Probility density function is the probebilyt function of.............. random variable.

Question # 7

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

Question # 8

The repeated trials of binomial experiments are

Question # 9

The expected value of a discrete random variable is.

Question # 10

Its value cannot be exactly examined.

Question # 11

Binomial distribution is positively skewed

Question # 12

In binomial distribution, the random variable  has a range:

Question # 13

The probability of success changes from trial to trial, is the property of:

Question # 14

the discrete probability distributio may be represented by.

Question # 15

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

Question # 16

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

Question # 17

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

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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 probabilyt density function p (x) cannot exced.
A. zero
B. One
C. Mean
D. Infinity
2 In binomial experiment successive trials are:
A. Dependent
B. Independent
C. May be independent or dependent
D. None of these
3 The mean of binomial distribution is always:
A. Equal to variance
B. Less than variance
C. Greater then variance
D. None of the these
4 A fair die is rolled three times. The probability of getting three "aces" is
A. 1/3
B. 1/6
5 The repeated trials of binomial experiments are
A. Dependent
B. Independent
C. Fixed
D. Variable
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 Variance of binomial distribution is
A. np
B. √npq
C. npq
D. nq
9 The binomial distribution is symmetrical if
A. p = 1/2
B. P > 1/2
C. p < 1/3
D. P ≠ q
10 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)

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