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Question 1
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A die is rolled. What is the probability of rolling an even number?
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Question 2
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Alice rolls two dice. What is the probability of rolling two 6s?
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Question 3
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A prisoners’ dilemma is a game with all of the following characteristics except one. Choose the characteristic that is not applicable to a prisoners’ dilemma game
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Question 4
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Bob randomly picks a number from 1 to 6 (both inclusive). What is the probability that he picks a number more than 3?
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Question 5
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When two dice are thrown simultaneously, what is the probability that the sum of the two numbers that turn up is less than 11?
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Question 6
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A pair of dice is rolled till a sum of either 5 or 7 is obtained. The probability that 5 comes before 7 is :
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Question 7
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A bag contains 3 white and 5 black balls. Alice draws two balls one after another from the bag, without replacement. What is the probability that the first ball is white and the second black?
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Question 8
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For the game shown below, identify the mixed strategy Nash equilibrium where ‘p’ is the probability that Bob chooses A and ‘q’ is the probability that Mary chooses C
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Question 9
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A box contains 4 red pencils and 5 blue pencils. 4 pencils are taken out one after the other without replacement. What is the probability that the pencils drawn are red, blue, blue and red in that order (approximated to two decimal places)?
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Question 10
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A group of children has 2 boys and 2 girls. 2 children are selected from the group. What is the probability that a boy and a girl get selected?
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Question 11
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If the probability that an event occurs is ‘p’ and the probability that the event does not occur is ‘q’, which of the following is necessarily true?
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Question 12
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A coin is tossed once. What is the probability of getting heads or tails?
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Question 13
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If the probability of an event to occur is 0.4. What is the probability that the event will not occur?
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Question 14
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Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ?
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Question 15
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John randomly picks a number from 1 to 5 (both inclusive) and a letter from A to E (both inclusive). What is the probability that he picks 2 and E?
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Question 16
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A game matrix is shown below:
Choose the correct statement among the following:
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Question 17
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A fair dice is tossed 6 times. Find the probability of getting a third six on the sixth throw.
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Question 18
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Alice rolls two dice. What is the probability of obtaining at least one 6?
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Question 19
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For the game shown below, identify the mixed strategy Nash equilibrium where ‘p’ is the probability that Bob chooses A and ‘q’ is the probability that Mary chooses C
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Question 20
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A bag contains 3 white and 5 black balls. Bob draws two balls one after another from the bag, without replacement. What is the probability that any one ball is white and the other is black?
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