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# 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 Answer Report Discuss Option: A Explanation : Click on Discuss to view users comments. Write your comments here:
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 Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. Write your comments here:
28:

MIS can be used in controlling

 A. Operations research models B. Risk analysis models C. PERT/CPM D. All of these Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
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 Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. Write your comments here:
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 Answer Report Discuss Option: A Explanation : Click on Discuss to view users comments. Write your comments here:

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