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

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

Question # 2

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

Question # 3

Which of the following distribution(s) has 3 parameters.

Question # 4

Variance of binomial distribution is

Question # 5

When X denotes the number of success in binomial experiment, it is called.

Question # 6

N-K is classified as

Question # 7

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

Question # 8

Hypergeometric distribution is a

Question # 9

The parameters of hypergeometric distribution are:

Question # 10

When x denotes the number of success in binomial experiment it is called.

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Mean of hypergeometric distribution is

Question # 15

When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:

Question # 16

Random numbers are generated from the single digit numbers.

Question # 17

A fair coin is tossed four times the probability of getting four heads 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 parameters of hypergeometric distribution are:
A. n,k & p
B. n, k & q
C. n, p & q
D. n, k &  N
2 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
3 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
4 The probability of success ------------ from one trial to another when trials are dependent
A. Remains constant
B. Is changed
C. One
D. Zero
5 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)
6 If we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be:
A. Binomial
B. Hypergeometric
C. Both binomial &  hypergeometric 
D. None of these
7 Variance of binomial distribution is
A. np
B. √npq
C. npq
D. nq
8 The probability of even/odd number when a fair die rolled is:
A. 1/6
B. 2/6
C. 1/36
D. 3/6
9 Which of the following case is true for hypergeometric distribution.
A. Probability remains constant for all trials
B. Probability changes
C. successive trials are dependent
D. Both (B) and (C) but not (A)
10 The repeated trials of binomial experiments are
A. Dependent
B. Independent
C. Fixed
D. Variable

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