1

GATE CSE 2011

MCQ (Single Correct Answer)

+1

-0.3

If the difference between the expectation of the square of a random variable $$\left( {E\left[ {{X^2}} \right]} \right)$$ and the square of the expectation of the random variable $${\left( {E\left[ X \right]} \right)^2}$$ is denoted by R then

2

GATE CSE 2008

MCQ (Single Correct Answer)

+1

-0.3

A sample space has two events A and B such that probabilities
$$P\,(A\, \cap \,B)\, = \,1/2,\,\,P(\overline A )\, = \,1/3,\,\,P(\overline B )\, = \,1/3$$.

What is P $$P\,(A\, \cup \,B)\,$$?

What is P $$P\,(A\, \cup \,B)\,$$?

3

GATE CSE 2007

MCQ (Single Correct Answer)

+1

-0.3

Suppose there are two coins. The first coin gives heads with probability 5/8 when tossed, while the second coin gives heads with probability 1/4. On e of the two coins is picked up at random with equal probability and tossed. What is the probability of obtaining heads?

4

GATE CSE 2006

MCQ (Single Correct Answer)

+1

-0.3

In a certain town, the probability that it will rain in the afternoon is known to be 0.6. Moreover, meteorological data indicates that if the temperature at noon is less than or equal to $${25^ \circ }$$ C, the probability that it will rain in the afternoon is 0.4. The temperature at noon is equally likely to be above $${25^ \circ }$$ C, or at/below $${25^ \circ }$$ C. What is the probability that it will rain in the afternoon on a day when the temperature at noon is above $${25^ \circ }$$ C?

Questions Asked from Probability (Marks 1)

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GATE CSE 2024 Set 2 (1)
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