Classical

UGC NET December 2014 - Paper 2

31:  

Ifp = 0.6 for a particular Bernouli process. the calculation (8! / (5! X 3!)) (0.6)5 (0.4)3 indicates the probability of happening of

A.

5 or more Successes in eight trials

B.

3 or more successes in eight trials

C.

Exactly 5 successes in eight trials

D.

Exactly 3 successes in eight trials

 
 

Option: C

Explanation :


32:  
Chebyshev's theorem provides that at least 89% of the values will lie within ± 3 standard deviations from the mean for
A.

Bell-shaped distributions

B.

Positively-skewed distributions

C.

Negatively-skewed distributions

D.

All distributions

 
 

Option: D

Explanation :


33:  
How many degrees of freedom should be used to apply chi-square test statistic on a contingency table, having 5 rows and 4 columns ?
A.

20

B.

12

C.

7

D.

9

 
 

Option: B

Explanation :

(r-1)(c-1)=12


34:  

The --------- and its altemative provides the ability to serve dynamic content to browsers.

A.

Common Gateway Interface

B.

Cryptography

C.

General Pocket Radio Service

D.

Cellular Digital Pocket Data

 
 

Option: A

Explanation :


35:  

Which is the most suitable domain extension for an Indian NGO to do e-business ?

A.

.gov

B.

.com

C.

.org

D.

.us

 
 

Option: C

Explanation :




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