1
IAT (IISER) 2023
MCQ (Single Correct Answer)
+4
-1
Consider three biased coins. Let the probability of getting head be $\frac{1}{3}$ and the probability of getting tail be $\frac{2}{3}$ in each of the coins. Consider the experiment of tossing the threee coins one by one, and the following events:
$E$ :"At least two heads show up"
F:"First coin shows tail".
What is the conditional probability of $E$ given that $F$ has already occurred?
2
IAT (IISER) 2022
MCQ (Single Correct Answer)
+4
-1
A randomly chosen card from a deck of 52 cards is given to be a black card (Spade or Club). What is the probability that it is either a face card (King, Queen or Jack) or a Spade?
3
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
A bag contains 8 balls, of which 5 are green and 3 are red. The probability that two balls chosen at random are of the same colour is :
Questions Asked from Probability (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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