Mrs Jessica Tough
If you flip 10 pennies all at the same time, what is the probability that exactly 3 will come up heads and 7 will come up tails?

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Mrs Jessica Tough
What is the probability that if you roll a single standard die four times you will roll four different numbers?

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joey
I asked this question before but got the money wrong this is what I meant.

In the game show Deal or no Deal the contestant sometimes has a chance to swap boxes at the end. If there where 2 boxes left and one has £50 in and the other has £250,000 in it would it be advisable for the contestant to swap his box?

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Pelador
The following page details the game dice poker;

http://en.wikipedia.org/wiki/Poker_dice

but it only provides relative odds for the outcome after 1 roll of the dice.

I was hoping a statistical expert with probabilities could provide the odds after 3 rolls with the process of holding available.

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Mrs minti malhotra
A box contains 12 marbles of three different colours - green, yellow and blue-4 each.

If you were to close your eyes and pick them at random, how many marbles must you take out to be sure that there is at least two of one colour among the marbles picked out?

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garyoaky
Do I half my odds of winning the lottery by buying 2 tickets?

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Miss Zainab Hassan
A drawer contains two black socks, and three white socks. Peter takes out one randomly and puts it on.

(a) What is the probability that this sock is black?

(b) (i) both socks are black?

(ii) both socks are the same color?

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vijay
A survey was conducted among consumers who use products in liquid and powder form. One third of them don't use liquid. Two fifth of them don't use powder.427 use both powder and liquid and one fifth use neither of products. What is the total no of consumers?

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Mr marimuthu gurusame
In a party, there is one man who dances exactly with 3 ladies and 1 woman who dances exactly with 3 men. There are exactly two pairs and are common with every man. How many people are there in party?

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Mr marimuthu gurusame
There are some card indexes. One guy comes and start picking the card indexes. He goes like this. He firstly picks one and then skips one, then he picks one and skips two, then picks one and skips three and so on. Finally when the card which he had picked were counted these turned out to be 5% of the total card indexes. Find the no of card indexes he picked ?

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Mr marimuthu gurusame
A dice has faces 1 against 6, 3 against 5 and 2 against 4 always. How many such combinations of faces are possible in a dice?

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Mr marimuthu gurusame
There are 100 men in town. Out of which 85% were married, 70% have a phone, 75% own a car, 80% own a house. What is the maximum number of people who are married, own a phone, own a car and own a house ?

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Mrs Lara Tolland
Maths question - probability

When a girl ordered her car she was given a choice of colours blue, red, white and green. She was also given a choice of interior colours grey, blue and black

She specified the colour white. If all the colours are equally likely what is the probability that her car will be white with either grey or blue interior?

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Miss kanaga dhivya
If a large cube painted red from out side, if it is cut into 125 equal parts by six straight lines, then how many cubes were there with:

(a) no face painted?

(b) only one face painted?

(c) only two faces painted?

(d) three faces painted?

What is the probability that the 125 cubes taken at random is red?

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delobo
Does anyone else find it unusual that New Orleans and the Indian Ocean, both the sites of ocean disasters, are directly opposite each other on the globe?

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kwik
No athletes who like probability play scrabble.

All athletes who use deodorant play scrabble.

True or false? "No athletes who use deodorant like probability

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Mr. inquisitive
What are my chances ie what is the probability of me winning £1000 on roulette; if I bet on the same 5 numbers all night placing a £1 chip on each number and my stake money is £100?

Same stake money and same method of betting. What would be the probability of me winning £2000?

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