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
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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
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	Option: B Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

28:

MIS can be used in controlling

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

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
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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