Testbook Logo
Exams SuperCoaching Test Series Skill Academy
More
Bengali
English
Hindi
Telugu

Question

Download Solution PDF

যদি একটি পয়সন বিভাজনের গড় 9 হয় তবে এর ভেদাঙ্ক কত এর সমান?

This question was previously asked in
SSC CGL Tier-II ( JSO ) 2017 Official Paper ( Held On : 22 Feb 2018 )
Download PDF Attempt Online
View all SSC CGL Papers >
  1. 3
  2. 9
  3. 6
  4. 81

Answer (Detailed Solution Below)

Option 2 : 9
super-pass-live
Free Tests
View all Free tests >
Free
SSC CGL Tier 1 2025 Full Test - 01
3.3 Lakh Users
100 Questions 200 Marks 60 Mins
Start Now

Detailed Solution

Download Solution PDF

প্রদত্ত

পয়সন বিভাজনের গড় = 9

গণনা

পয়সন বিভাজনে গড় ভেদাঙ্কের সমান

∴ ভেদাঙ্ক হল 9

Download Solution PDF
Latest SSC CGL Updates

Last updated on Jul 12, 2025

-> The SSC CGL Application Correction Window Link Live till 11th July. Get the corrections done in your SSC CGL Application Form using the Direct Link.

-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.

-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.

->  Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.

-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.

-> The CGL Eligibility is a bachelor’s degree in any discipline.

-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.

-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.

-> The RRB Railway Teacher Application Status 2025 has been released on its official website.

-> The OTET Admit Card 2025 has been released on its official website.

More Random Variables Basics Questions

Q1.An unbiased coin is tossed 5 times. Suppose that a variable X is assigned the value k when k consecutive heads are obtained for k = 3, 4, 5, otherwise 𝑋 takes the value -1. The expected value of X, is
Q2.A man draws 3 balls from a jug containing 5 white balls and 7 black balls. He gets Rs. 20 for each white ball and Rs. 10 for each black ball. What is his expectation?
Q3.If a random variable X has density function f(x) = \(\left\{\begin{array}{l}\frac{1}{2},−1<x<1\\ 0. \text { otherwise }\end{array}\right.\) then P(|X|>1) is:
Q4.A random variable y has a known probability distribution given by y 2 4 6 8 10 P(y) 0.17 0.23 0.2 0.3 0.1 Then the expected value of y is
Q5.Let the probability density function of a random variable x be given as f(x) = ae-2|x| The value of ‘a’ is __________. 
Q6.If the expected value of a random variable X is 2 and its variance is 1, then what will be the variance of 3X + 4?
Q7.If x is a continuous random variable with p.d.f. f(x) = 1/√2πe-x2/2dx , \( - ∞<x<∞\) and y is defined as y = x + 1, then E(y) equals:
Q8.The Joint distribution of x and y is as follows x→ 1 2 y↓     1 0.4 0.2 2 0.1 0.3 Then E(x|y = 1) is:
Q9.Let x ~ Binomial (5,0.6) and Y ~ Poisson (2) be independent. Then P(xy = 0) equals:
Q10.If a continuous random variable x has the probability density function \(f\left( x \right) = \left\{ {\begin{array}{*{20}{c}} {3x^2,}&o\le x\le1\\ {0,}&{elsewhere} \end{array}} \right.\) then the value of a such that P[x ≤ a] = P[x > a] is:

More Probability and Statistics Questions

Q1.An unbiased coin is tossed 5 times. Suppose that a variable X is assigned the value k when k consecutive heads are obtained for k = 3, 4, 5, otherwise 𝑋 takes the value -1. The expected value of X, is
Q2.A bag contains 7 white, 6 red and 9 black balls. Two balls are drawn at random, the probability that the ball will be black is :
Q3.In formula \(\rm \overline X=A+\frac{\Sigma fiμ i}{\Sigma f}\times h\), μi = ?
Q4.A game consists of spinning an arrow around a stationary disk as shown below. When the arrow comes to rest, there are eight equally likely outcomes. It could come to rest in any one of the sectors numbered 1, 2, 3, 4, 5, 6, 7 or 8 as shown. Two such disks are used in a game where their arrows are independently spun. What is the probability that the sum of the numbers on the resulting sectors upon spinning the two disks is equal to 8 after the arrows come to rest? 
Q5.Given a fair six-faced dice where the faces are labelled ‘1’, ‘2’, ‘3’, ‘4’, ‘5’, and ‘6’, what is the probability of getting a ‘1’ on the first roll of the dice and a ‘4’ on the second roll?
Q6.Dimension reduction methods have the goal of using the correlation structure among the predictor variables to accomplish which of the following: A. To reduce the number of predictor components B. To help ensure that these components are dependent C. To provide a framework for interpretability of the results D. To help ensure that these components are independent E. To increase the number of predictor components Choose the correct answer from the options given below: 
Q7.A man draws 3 balls from a jug containing 5 white balls and 7 black balls. He gets Rs. 20 for each white ball and Rs. 10 for each black ball. What is his expectation?
Q8.If f(x) is a probability density on the real line, then which of the following is NOT a valid probability density?
Q9.Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): If the securities with less than perfect negative correlation between their price movements are combined, portfolio risk can be reduced significantly. Reason (R): The term with negative correlation has the effect of reducing the computed value of total portfolio risk, given other terms that are positive. In the light of the above statements, choose the most appropriate answer from the options given below:
Q10.A remote village has exactly 1000 vehicles with sequential registration numbers starting from 1000. Out of the total vehicles, 30% are without pollution clearance certificate. Further, even- and odd-numbered vehicles are operated on even- and odd-numbered dates, respectively. If 100 vehicles are chosen at random on an even-numbered date, the number of vehicles expected without pollution clearance certificate is ________.
Crack Super Pass Live with
India's Super Teachers
Explore Supercoaching For FREE
Suggested Test Series
View All >
SSC CGL (Tier I & Tier II) Mock Test 2025 (New)
1809 Total Tests with 6 Free Tests
Start Free Test
SSC Maths PYP Mock Test Series (20k+ Questions)
1655 Total Tests with   3 Free Tests
Start Free Test
Suggested Exams
Exam-Logo
SSC CGL

SSC CGL Important Links

More Engineering Mathematics Questions

Q1.If L = {1, 2, 3, 4, 6, 9, 36} is the lattice find the number of complements 9 is having in the below given Hasse diagram?
Q2.Which of the following statements is/are TRUE for undirected graphs?
Q3.\(\iint \frac{x y}{\sqrt{1-y^{2}}} d x d y\) Over the positive quadrant of the circle x2 + y2 = 1 is __________.
Q4.The real root of the equation x3 − x − 5 = 0 lying between 1 and 2 after first iteration by Newton-Raphson method is ________, if initial approximation is taken as x0 = 2 ∈ [1, 2] : 
Q5.Let X be uniform random variable on [0, 4] and Y be uniform random variable on [0, 1]. If X and Y are independent, then P(max {X, Y} > 3) is equal to : 
Q6.If R and D are the radius and diameter of the graph K4,7, then the ordered pair (R, D) is equal to : 
Q7.The largest number of faces in a simple connected maximal planar graph with 100 vertices is :
Q8.If for the matrix A, A3 = I then A−1 = __________. 
Q9.Energy of power signal is : 
Q10.With usual notations, the properties of maxima and minima under various conditions are __________. I II (P) Maxima (i) r t− s2 = 0 (Q) Minima (ii) rt − s2 < 0 (R) Saddle Point (iii) rt − s2 > 0, r > 0 (S)  Case of failure (iv) rt − s2 > 0, r < 0
Exams
Cut Off
Eligibility
Coaching
Previous Year Papers
Syllabus
Test Series
Important Exams
Super Coaching
Testbook USA SAT Exam
Testbook USA ACT Exam
US College Admissions Guide
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
[email protected]
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Our Apps
Follow us on
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Get Free Access Now
Hot Links： teen patti online teen patti joy apk teen patti real money app teen patti royal