1
GATE CSE 2012
MCQ (Single Correct Answer)
+1
-0.3
The truth table GATE CSE 2012 Discrete Mathematics - Mathematical Logic Question 34 English

Represents the Boolean function

A
$$X$$
B
$$X+Y$$
C
$$X \oplus Y$$
D
$$Y$$
2
GATE CSE 2012
MCQ (Single Correct Answer)
+1
-0.3
Consider a random variable X that takes values + 1 and-1 with probability 0.5 each.
The values of the cumulative distribution function F(x) at x = - 1 and + 1 are
A
0 and 0.5
B
0 and 1
C
0.5 and 1
D
0.25 and 0.75
3
GATE CSE 2012
MCQ (Single Correct Answer)
+2
-0.6
Suppose a fair six-sided die is rolled once. If the value on the die is 1, 2 or 3 the die is rolled a second time. What is the probability that the sum total of values that turn up is at least 6?
A
10/21
B
5/12
C
2/3
D
1/6
4
GATE CSE 2012
MCQ (Single Correct Answer)
+2
-0.6
How many onto (or subjective) functions are there form an n-element $$(n\, \ge \,2)$$ set to a 2-element set ?
A
$${2^n}$$
B
$${2^n}\, - 1$$
C
$${2^n}\, - 2$$
D
$$2\,({2^n}\, - 2)$$
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