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

A fair coin is tossed four times the probability of getting four heads is

Question # 2

The parameters of the binomial distributions are

Question # 3

A copntinuous probability distribution may be represented by.

Question # 4

The hypergeometric distribution has -------------- parameters

Question # 5

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

Question # 6

The binomial distribution is symmetrical if

Question # 7

In binomial experiment successive trials are:

Question # 8

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

Question # 9

Mean of hypergeometric distribution is

Question # 10

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

Question # 11

If in binomial distribution, μ = 6, p = 3/5, the number of trial are:

Question # 12

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

Question # 13

The binomial distribution is symmetrical when:

Question # 14

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

Question # 15

Each trial of binomial experiment results in an outcome which can be classified in two categories

Question # 16

A fair die is rolled three times. The probability of getting three "aces" is

Question # 17

The mean of binomial distribution is always:

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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 If in binomial distribution, μ = 6, p = 3/5, the number of trial are:
A. 18
B. 30
C. 10
D. None of these
2 For a binomial probability distribution:
n = 10 & the probability of failure (q =0.6), then mean of the distribution is .
A. 0.6
B. 6.0
C. 10
D. 4
3 When X denotes the number of success in binomial experiment, it is called.
A. Random variable
B. Binomial random variable
C. Continuous random variable
D. Both (B) and (C) but not (A)
4 N-K is classified as
A. Success
B. Failures
C. Parameters
D. Range
5 If X and Y are random varaibes, than E ( X - Y) is equal to.
A. E(X) + E (Y)
B. E(X) - E(Y)
C. X - E (Y)
D. E(X) - Y
6 The binomial distribution is symmetrical if
A. p = 1/2
B. P > 1/2
C. p < 1/3
D. P ≠ q
7 Binomial distribution is used when n is
A. Large
B. Small
C. Negative
D. Zero
8 An expected value of a random variable is equal to its.
A. Variance
B. B.D.
C. Mean
D. Co - Variance
9 The expected value of a discrete random variable is.
A. Always an integer
B. Always one of the values that the random variable can assume
C. An interal of values
D. None of these
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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