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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 29,983

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#4722. An urn contains 4 red, 3 blue, and 3 green marbles. If 2 marbles are picked at random, what is the probability of both being red?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4723. Three coins are tossed, find the probability of two heads obtained.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 29,983

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#4724. Two dice are rolled. Find the probability of getting sum 4.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**math9maniac****Member**- From: Tema
- Registered: 2015-03-30
- Posts: 443

Only a friend tells you your face is dirty.

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**ganesh****Administrator**- Registered: 2005-06-28
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Good work, math9maniac!

#4725. A die is thrown twice. What is the probability of getting a sum 7 from both the throws?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4726. Two dice are thrown simultaneously. Find the probability of getting a multiple of 2 on one dice and multiple of 3 on the other dice?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4727. A die is rolled and a coin is tossed, find the probability of the die showing an even number and the coin showing a tails.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4728. A card is drawn at random from a deck of cards. Find the probability of getting a king or a spade.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4729. A card is drawn from a pack of 52 cards. The card is drawn at random. What is the probability of it being neither a spade nor a jack?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4730. From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**math9maniac****Member**- From: Tema
- Registered: 2015-03-30
- Posts: 443

*Last edited by math9maniac (2020-03-03 01:28:27)*

Only a friend tells you your face is dirty.

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**ganesh****Administrator**- Registered: 2005-06-28
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Good attempt!

#4731. When four cards are drawn in succession from a pack of cards with replacement, what is the probability of all the cards are from different suits?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4732. Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability of the ticket being drawn has a number, which is a multiple of 3 or 4?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4733. Three unbiased coins are tossed. What is the probability of getting at most two heads?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 29,983

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#4734. A bag contains 3 white, 4 red, and 5 blue balls. Two balls are drawn at random from the bag. Find the probability of both of them being blue.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4735. A bag contains 7 blue balls and 5 yellow balls. If two balls are selected at random, what is the probability of none of them is yellow?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4736. In a box, there are 8 red, 7 blue, and 6 green balls. One ball is picked at random. What is the probability of it being neither red nor green?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 29,983

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.

#4737. A bag contains 5 black and 6 white balls. James takes a ball and places it in the box. He again takes out a ball. What is the probability of both balls being white?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4738. A bag contains 21 toys numbered 1 to 21. A toy is drawn and another toy is drawn without replacement. Find the probability of both toys showing even numbers.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 29,983

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#4739. Out of 13 applications for a job, there are 5 women and 8 men. It is desired to select 2 persons for the job. Find the probability of at least one of the selected persons be a woman.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4740. The probability of success of three students A, B, and C in one examination are 1/3, 1/2, and 1/4 respectively. Find the probability of all three students failing in the examination,

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 29,983

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#4741. Four cards are drawn from a pack of 52 cards without replacement. What is the probability of they all have the same value?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 29,983

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#4742. A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability of the ball drawn being white?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 29,983

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#4743. What is the probability of a number selected from numbers 1, 2, 3, ......, 30 is a prime number, when each of the given number is equally likely to be selected?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 29,983

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#4744. A bag contains 13 white balls and 7 black balls. Two balls are drawn at random. What is the probability of they being the same color?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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