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Q: In a class, 5% of the boys and 10% of the girls have an IQ of more than 150. In this class, 60% of the students are boys.
    In a class, 5% of the boys and 10% of the girls have an IQ of more than 150. In this class, 60% of the ... that the student is a boy. Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
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Q: Suppose 5% of men and 0.25% of women have grey hair. A grey-haired person is selected at random. What is the probability of this person being male?
    Suppose 5% of men and 0.25% of women have grey hair. A grey-haired person is selected at random. What is the ... of males and females. Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
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Q: Two groups are competing for the positions on the board of directors of a corporation.
    Two groups are competing for the positions on the board of directors of a corporation. The probabilities that the ... second group. Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
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Q: A bag A contains 1 white and 6 red balls. Another bag contains 4 white and 3 red balls.
    A bag A contains 1 white and 6 red balls. Another bag contains 4 white and 3 red balls. One of the bags is ... is from the bag A. Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
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Q: There are two bags I and II. Bag I contains 3 white and 4 black balls, and bag II contains 5 white and 6 black balls.
    There are two bags I and II. Bag I contains 3 white and 4 black balls, and bag II contains 5 white and 6 ... was drawn from bag I. Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
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Q: Let A and B be the events such that P (A) = 7/12, P (B) = 9/13 and P (A ∩ B) = 4/13.
    Let A and B be the events such that P (A) = 7/12, P (B) = 9/13 and P (A ∩ B) = 4/13. Find (i) P (A/B) ... P (A U B) (iv) P(bar B/bar A) Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
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Q: Let A and B be the events such that P (A) = 5/11, P (B) = 6/11, P (A U B) = 7/11.
    Let A and B be the events such that P (A) = 5/11, P (B) = 6/11, P (A U B) = 7/11. Find (i) P (A ∩ B) ... ) P (B/A) (iv) P(bar A/bar B) Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
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Q: Let A and B be the events such that P (A) = 3/10, P (B) = 1/2 and P (B/A) = 2/5.
    Let A and B be the events such that P (A) = 3/10, P (B) = 1/2 and P (B/A) = 2/5. Find (i) P (A ∩ B) (ii) P (A U B) (iii) P (A/B). Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
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Q: Let A and B be the events such that 2 P (A) = P (B) = 5/13 and P (A/B) = 2/5.
    Let A and B be the events such that 2 P (A) = P (B) = 5/13 and P (A/B) = 2/5. Find (i) P (A ∩ B) (ii) P (A U B) Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
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Q: A die is rolled. If the outcome is an even number, what is the probability that it is a number greater than 2?
    A die is rolled. If the outcome is an even number, what is the probability that it is a number greater than 2? Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
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Q: Three coins are tossed simultaneously. Find the probability that all coins show heads if at least one of the coins shows a head.
    Three coins are tossed simultaneously. Find the probability that all coins show heads if at least one of the coins shows a head. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: 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.
    Two unbiased dice are thrown. Find the probability that the sum of the numbers appearing is 8 or greater, if 4 ... on the first die. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: A die is thrown twice and the sum of the numbers appearing is observed to be 8.
    A die is thrown twice and the sum of the numbers appearing is observed to be 8. What is the conditional ... appeared at least once? Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: 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.
    A bag contains 17 tickets, numbered from 1 to 17. A ticket is drawn and then another ticket is drawn without ... may show even numbers. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: Two marbles are drawn successively from a box containing 3 black and 4 white marbles.
    Two marbles are drawn successively from a box containing 3 black and 4 white marbles. Find the probability that ... the second draw. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: A card is drawn from a well-shuffled deck of 52 cards and without replacing this card, a second card is drawn.
    A card is drawn from a well-shuffled deck of 52 cards and without replacing this card, a second card is drawn. ... card is a spade. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: A bag contains 10 white and 15 black balls. Two balls are drawn in succession without replacement.
    A bag contains 10 white and 15 black balls. Two balls are drawn in succession without replacement. What is the ... second is black? Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: An urn contains 5 white and 8 black balls. Two successive drawings of 3 balls at a time are made such that
    An urn contains 5 white and 8 black balls. Two successive drawings of 3 balls at a time are made such that ... gives 3 black balls. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: 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,
    Let E1 and E2 be the events such that P (E1) = 1/3 and P (E2) = 3/5. Find: (i) P (E1 U E2), ... ∩ E2), when E1 and E2 are independent. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: 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.
    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. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: 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)
    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 ... ∩ bar E2) (iv) P(E1 ∩ E2) Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: 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
    Let A and B be the events such that P (A) = 1/2, P (B) = 7/12 and P (not A or not B) = ... (i) mutually exclusive, (ii) independent. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: 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.
    Kamal and Vimal appeared for an interview for two vacancies. The probability of Kamal's selection is 1/3 and ... will be selected. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: Arun and Ved appeared for an interview for two vacancies. The probability of Arun’s selection is 1/4 and that of Ved’s rejection is 2/3.
    Arun and Ved appeared for an interview for two vacancies. The probability of Arun's selection is 1/4 and that ... will be selected. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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Q: Poisson Distribution
    The Random Variable X Has Poisson Distribution With p(x=0) = 2p (x=1) Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
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