1
GATE CSE 1999
+1
-0.3
Suppose that the expectation of a random variable X is 5. Which of the following statements is true?
A
There is a sample point at which X has the value 5.
B
There is a sample point at which X has the value greater than 5.
C
There is a sample point at which X has a value greater than or equal to 5.
D
None of the above.
2
GATE CSE 1999
+1
-0.3
Suppose that the expectation of a random variable X is 5. Which of the following statements is true?
A
There is a sample point at which X has the value 5.
B
There is a sample point at which X has the value greater than 5.
C
There is a sample point at which X has a value greater than or equal to 5.
D
None of the above.
3
GATE CSE 1998
+1
-0.3
A die is rolled three times. The probability that exactly one odd number turns up among the three outcomes is
A
1/6
B
3/8
C
1/8
D
1/2
4
GATE CSE 1997
+1
-0.3
The probability that it will rain today is 0.5. The probability that it will rain tomorrow is 0.6. The probability that it will rain either today or tomorrow is 0.7. That is the probability that it will rain today and tomorrow?
A
0.3
B
0.25
C
0.35
D
0.4
GATE CSE Subjects
Discrete Mathematics
Programming Languages
Theory of Computation
Operating Systems
Digital Logic
Computer Organization
Database Management System
Data Structures
Computer Networks
Algorithms
Compiler Design
Software Engineering
Web Technologies
General Aptitude
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