Recent questions tagged probability-questions

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

Q: 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,

There is a box containing 30 bulbs of which 5 are defective. If two bulbs are chosen at random from the ... chosen are defective? Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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