Recent questions tagged Probability-mcq-with-answers

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Let A and B be the events such that P (A) = 7/12, P (B) = 9/13 and P (A ∩ B) = 4/13.

asked Nov 22 in Education by JackTerrance (1.0m points)

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Let A and B be the events such that P (A) = 5/11, P (B) = 6/11, P (A U B) = 7/11.

asked Nov 22 in Education by JackTerrance (1.0m points)

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Let A and B be the events such that P (A) = 3/10, P (B) = 1/2 and P (B/A) = 2/5.

asked Nov 22 in Education by JackTerrance (1.0m points)

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Let A and B be the events such that 2 P (A) = P (B) = 5/13 and P (A/B) = 2/5.

asked Nov 22 in Education by JackTerrance (1.0m points)

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A die is rolled. If the outcome is an even number, what is the probability that it is a number greater than 2?

asked Nov 22 in Education by JackTerrance (1.0m points)

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A coin is tossed twice. If the outcome is at most one tail, what is the probability that both head and tail have appeared?

asked Nov 22 in Education by JackTerrance (1.0m points)

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Three coins are tossed simultaneously. Find the probability that all coins show heads if at least one of the coins shows a head.

asked Nov 21 in Education by JackTerrance (1.0m points)

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Two unbiased dice are thrown. Find the probability that the sum of the numbers appearing is 8 or greater, if 4 appears on the first die.

asked Nov 21 in Education by JackTerrance (1.0m points)

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A die is thrown twice and the sum of the numbers appearing is observed to be 8.

asked Nov 21 in Education by JackTerrance (1.0m points)

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A bag contains 17 tickets, numbered from 1 to 17. A ticket is drawn and then another ticket is drawn without replacing the first one.

asked Nov 21 in Education by JackTerrance (1.0m points)

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Two marbles are drawn successively from a box containing 3 black and 4 white marbles.

asked Nov 21 in Education by JackTerrance (1.0m points)

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A card is drawn from a well-shuffled deck of 52 cards and without replacing this card, a second card is drawn.

asked Nov 21 in Education by JackTerrance (1.0m points)

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There is a box containing 30 bulbs of which 5 are defective. If two bulbs are chosen at random from the box in succession without replacing the first,

asked Nov 21 in Education by JackTerrance (1.0m points)

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A bag contains 10 white and 15 black balls. Two balls are drawn in succession without replacement.

asked Nov 21 in Education by JackTerrance (1.0m points)

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An urn contains 5 white and 8 black balls. Two successive drawings of 3 balls at a time are made such that

asked Nov 21 in Education by JackTerrance (1.0m points)

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Let E1 and E2 be the events such that P (E1) = 1/3 and P (E2) = 3/5. Find: (i) P (E1 U E2), when E1 and E2 are mutually exclusive,

asked Nov 21 in Education by JackTerrance (1.0m points)

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If E1 and E2 are the two events such that P (E1) = 1/4, P (E2) = 1/3 and P (E1 U E2) = 1/2, show that E1 and E2 are independent events.

asked Nov 21 in Education by JackTerrance (1.0m points)

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If E1 and E2 are independent events such that P (E1) = 0.3 and P (E2) = 0.4, find (i) P (E1 ∩ E2) (ii) P (E1 U E2) (iii) P(bar E1 ∩ bar E2)

asked Nov 21 in Education by JackTerrance (1.0m points)

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Let A and B be the events such that P (A) = 1/2, P (B) = 7/12 and P (not A or not B) = 1/4. State whether A and B are

asked Nov 21 in Education by JackTerrance (1.0m points)

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Kamal and Vimal appeared for an interview for two vacancies. The probability of Kamal’s selection is 1/3 and that of Vimal’s selection is 1/5.

asked Nov 21 in Education by JackTerrance (1.0m points)

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