12th Standard Syllabus & Materials
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
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Published on: 04/06/2021
QB365 provides detailed and simple solution for every Book back Questions in class 12 Business Maths Subject. It will helps to get more idea about question pattern in every book back questions with solution.
Download Tamil Nadu 12th Standard Business Maths and Statistics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Business Maths and Statistics Test
1.
A discrete probability distribution may be represented by ________.
table
graph
mathematical equation
all of these
2.
Which of the following is not possible in probability distribution?
\(\sum { p(x)\ge 0 } \)
\(\sum { p(x)=1 } \)
\(\sum { xp(x)=2 } \)
\(p(x)=-0.5\)
3.
A formula or equation used to represent the probability distribution of a continuous random variable is called ________.
probability distribution
distribution function
probability density function
mathematical expectation
4.
Given E(X)=5 and E(Y)=−2, then E(X−Y) is ________.
3
5
7
-2
5.
Demand of products per day for three days are 21, 19, 22 units and their respective probabilities are 0.29, 0.40, 0.35. Profit per unit is 0.50 paisa then expected profits for three days are ________.
21, 19, 22
21.5, 19.5, 22.5
0.29, 0.40, 0.35
3.045, 3.8, 3.85
1.
(d)
all of these
2.
(d)
\(p(x)=-0.5\)
3.
(c)
probability density function
4.
(c)
7
5.
(d)
3.045, 3.8, 3.85
12th Standard Syllabus & Materials
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Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
