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Q: One bag contains 4 white and 5 black balls. Another bag contains 6 white and 7 black balls. A ball is transferred from first bag to the second bag and

One bag contains 4 white and 5 black balls. Another bag contains 6 white and 7 black balls. A ball is ... ball dawn is white. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A urn contains m white and n black balls. Balls are drawn one by one till all the balls are drawn. Probability that the second drawn ball is white is

A urn contains m white and n black balls. Balls are drawn one by one till all the balls are drawn. Probability ... ball is white is Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A box contains 5 red and 4 white marbles. Two marbles are drawn successively from the box without replacement and the second drawn marble drawn is fou

A box contains 5 red and 4 white marbles. Two marbles are drawn successively from the box without replacement and ... is also white is Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: 12 cards, numbered 1 to 12, are placed in a box, mixed up throughly and then a card is drawn at random from the box. If it is known that the number on

12 cards, numbered 1 to 12, are placed in a box, mixed up throughly and then a card is drawn at random from ... it is an even number. Select the correct answer from above options...

asked Nov 13, 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. What is the probability that first is white and

A bag contains `10` white and `15` black balls. Two balls are drawn in succession without replacement. What is ... and second is black? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Two dice are thrown. Find the probability of getting an even number on first die, if the outcomes on the two dice always exhibit a sum of 8.

Two dice are thrown. Find the probability of getting an even number on first die, if the outcomes on the two dice ... a sum of 8. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A basket contains 20 apples and 10 oranges out of which 5 apples and 3 oranges are defective. If a person takes out 2 at random what is the probabilit

A basket contains 20 apples and 10 oranges out of which 5 apples and 3 oranges are defective. If a person takes ... or both are good? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A die is rolled. If the outcome is an odd number, what is the probability that it is prime?

A die is rolled. If the outcome is an odd number, what is the probability that it is prime? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Ten cards numbered1 through 10 are placed in a box, mixed up thoroughly and then one card is drawn randomly. If it is known that the number on the dra

Ten cards numbered1 through 10 are placed in a box, mixed up thoroughly and then one card is drawn randomly. If ... is an even number. Select the correct answer from above options...

asked Nov 13, 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 6. What is the conditional probability that the number 4 has appeared at

A die is thrown twice and the sum of the numbers appearing is observed to be 6. What is the conditional ... appeared at least once? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Assume that each child born is equally likely to be a boy or a girl. If a family has two children, what is the conditional probability that both are g

Assume that each child born is equally likely to be a boy or a girl. If a family has two children, what is the ... least one is a girl? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: An instructor has a question bank consisting of 300 easy True / False questions. 200 difficult True / False questions. 500 easy multiple choice questi

An instructor has a question bank consisting of 300 easy True / False questions. 200 difficult True / False ... random from the Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Two numbers are selected at random from integers 1 through 9. If the sum is even, find the probability that both the numbers are odd.

Two numbers are selected at random from integers 1 through 9. If the sum is even, find the probability that both the numbers are odd. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: If A and B are the two events such that `P(A)=3/5, P(B)=7/10` and `P(A uu B)=9/10`, then find (i) `P(A nn B)` (ii) `P(A//B)` (iii) `P(B//A)`

If A and B are the two events such that `P(A)=3/5, P(B)=7/10` and `P(A uu B)=9/10`, then find (i) `P(A nn ... `P(A//B)` (iii) `P(B//A)` Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Evaulate `P(A uu B)`, if `2P(A)=P(B)=6/13` and `P(A//B)=1/3`.

Evaulate `P(A uu B)`, if `2P(A)=P(B)=6/13` and `P(A//B)=1/3`. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Let a and B be the events such that `P(A)=1/3, P(B)=1/4` and `P(A nn B)=1/5`. Find : (i) `P(A//B)` (ii) `P(B//A)` (iii) `P(A uu B)` (iv) `P(bar(B)//ba

Let a and B be the events such that P(A)= 1 3 ,P(B)= 1 4 and P(A∩B)= 1 5 . Find : (i) P(A/B) (ii) P(B/A ... P(A∪B) (iv) P( ˉ B / ˉ A ) Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: An urn contains 8 white and 4 red balls. Two balls are drawn from the urn one after the other without replacement. What is the probability that both d

An urn contains 8 white and 4 red balls. Two balls are drawn from the urn one after the other without ... balls are white ? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Three cards are drawn successively without replacement from a pack of 52 well-shuffled cards . What is the probability that first two cards are queens

Three cards are drawn successively without replacement from a pack of 52 well-shuffled cards . What is the probability ... a king ? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Let `E_(1)` and `E_(2)` be two events such that `P(E_(1))=0.3, P(E_(1) uu E_(2))=0.4` and `P(E_(2))=x`. Find the value of x such that (i) `E_(1)` and

Let `E_(1)` and `E_(2)` be two events such that `P(E_(1))=0.3, P(E_(1) uu E_(2))=0.4` and `P( ... `E_(1)` and `E_(2)` are independent. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Let `E_(1)` and `E_(2)` are the two independent events such that `P(E_(1))=0.35` and `P(E_(1) uu E_(2))=0.60`, find `P(E_(2))`.

Let `E_(1)` and `E_(2)` are the two independent events such that `P(E_(1))=0.35` and `P(E_(1) uu E_(2))=0.60`, find `P(E_(2))`. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A coin is tossed thrice. Let the event E be the first throw results in a head and the event F be the last throw results in a tail. Find whether the ev

A coin is tossed thrice. Let the event E be the first throw results in a head and the event F be the last ... E and F are independent. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Ramesh appears for an interview for two posts, A and B, for selection is independent. The probability for his selection for Post A1/6) and for Post B,

Ramesh appears for an interview for two posts, A and B, for selection is independent. The probability for his ... least one post. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A can solve 90% of the problems given in a book and B can solve 70%. What is the probability that at least one of them will solve the problem, selecte

A can solve 90% of the problems given in a book and B can solve 70%. What is the probability that at least ... random from the book? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: The probability that A hits a target is `(1//3)` and the probability that B hits it is `(2//5)`. What is the probability that the target will be hit i

The probability that A hits a target is `(1//3)` and the probability that B hits it is `(2//5)`. What is the ... A and B shoot at it ? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Probability of solving specific problem independently by A and B are `1/2`and `1/3`respectively. If both try to solve the problem independently find t

Probability of solving specific problem independently by A and B are `1/2`and `1/3`respectively. If both try ... solves the problem. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Three groups of children contain 3 girls and 1 boy; 2 girls and 2 boys; 1 girl and 3 boys respectively. One child is selected at random from each grou

Three groups of children contain 3 girls and 1 boy; 2 girls and 2 boys; 1 girl and 3 boys respectively. One ... one girkl and 2 boys. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Three critics review a book. Odds in favour of the book are 5:2, 4:3 and 3:4 respectively for three critics. Find the probability that eh majority are

Three critics review a book. Odds in favour of the book are 5:2, 4:3 and 3:4 respectively for three critics. ... in favour of the book. Select the correct answer from above options...

asked Nov 13, 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 13, 2021 in Education by JackTerrance

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Q: Two dice were thrown and it is known that the numbers which come up were different. Find the probability that the sum of the two numbers was 5.

Two dice were thrown and it is known that the numbers which come up were different. Find the probability that the ... numbers was 5. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A coin is tossed and then a die is thrown. Find the probability of obtaining a 6, given that a head came up.

A coin is tossed and then a die is thrown. Find the probability of obtaining a 6, given that a head came up. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance