Classical

Statistics and methodology - Statistics and Methodology Questions Answer

26:  

If p = q = 1/2, the frequency distribution will be

A.

Perfectly symmetrical

B.

Zero

C.

Non-perfectly symmetrical

D.

+1

 
 

Option: A

Explanation :


27:  

Cumulative probability function is

A.

F(X) = P(X ≤ 1 = q)/2

B.

F(X) = P(X) ≥ X)

C.

(P – 1)/F(X)

D.

F(X)/P

 
 

Option: B

Explanation :


28:  

MIS can be used in controlling

A.

Operations research models

B.

Risk analysis models

C.

PERT/CPM

D.

All of these

 
 

Option: D

Explanation :


29:  

Six dice are thrown 729 times. How many times do you expect the dice to show five or six?

A.

160

B.

200

C.

233

D.

130

 
 

Option: C

Explanation :


30:  

In the security system, the defence mechanism of the system i.e., the ability to protect the system from both, known and unknown ______ is tested.

A.

System interventions

B.

Validation

C.

User interface

D.

Human factors

 
 

Option: A

Explanation :




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