1
GATE CSE 1999
MCQ (Single Correct Answer)
+1
-0.3
The number of binary strings of $$n$$ zeros and $$k$$ ones such that no two ones are adjacent is:
A
$${}^{n + 1}{C_k}$$
B
$${}^n{C_k}$$
C
$${}^n{C_{k + 1}}$$
D
None of the above
2
GATE CSE 1999
MCQ (Single Correct Answer)
+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 1999
MCQ (Single Correct Answer)
+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.
4
GATE CSE 1999
MCQ (Single Correct Answer)
+2
-0.6
Two girls have picked 10 roses, 15 sunflowers and 14 daffodils. What is the number of ways they can divide the flowers among themselves?
A
1638
B
2100
C
2640
D
None of the above