Classical

Statistics and methodology - Statistics and Methodology Multiple Choice Questions

46:  

A train arrives at a commuting station on time on an average of 8 out of 10 days. What is the probability that in a given week of 5 working days, the train will not arrive on time 2 of the 5 days?

A.

0.364

B.

0.368

C.

0.2048

D.

3.46

 
 

Option: C

Explanation :

P = 0.2, q = 0.8

n = 5, r = 2

Hence the answer is (c).


47:  

How many combinations may be made of 10 things taken 4 at a time?

A.

910

B.

212

C.

210

D.

215

 
 

Option: C

Explanation :

Hence the answer is (c).


48:  

Information technology strategic decision includes

A.

Management style and culture

B.

Mission critical applications

C.

Business goal

D.

All of the above

 
 

Option: D

Explanation :


49:  

Given

The above figure shows about

A.

Model of a system

B.

Parts of a system

C.

Management information system

D.

All of the above

 
 

Option: D

Explanation :


50:  

"The centre of interest in sampling theory is the development of criteria for assisting common sense or educated judgement concerning the magnitude of chance fluctuation in statistical ratios, averages and co-efficients." Who said?

A.

J. F. Kenny and E. S. Keeping

B.

W. A. Spur and C. P. Bonini

C.

Karl Pearson

D.

K. D. Lickert

 
 

Option: A

Explanation :




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