The Puzzle of the Day : Dice-even-odd

DerbiJiiF · Post by **DerbiJiiF** » Sat Jul 30, 2005 2:47 am

Ok, this is not the typical topic that you find across this forum. Now, if you have something constructive to contribute, please join us while we are wrestling with these type of mind wrecking question. PLZ, respect the opinion of others, and no derogatory remarks

When you throw a pair of dice, what are the chances that the number that comes up will be even?

Little bit of statictis (probability knowlage) will help, but not necessary.

PLZ: I know others will try to introduce new puzzle ( drailing the topic)--- let's answer this first then we can open a new topic for it.

I will post others as we continue along.

For now, let's get started Confused

PragmaticGal · Post by **PragmaticGal** » Sat Jul 30, 2005 9:43 am

The odds are 1/1. You will throw an even number every time.

dhuusa_deer · Post by **dhuusa_deer** » Sat Jul 30, 2005 9:48 am

[quote="PragmaticGal"]The odds are 1/1. You will throw an even number every time.[/quote]

isnt it 1/6, since there are six sides

PragmaticGal · Post by **PragmaticGal** » Sat Jul 30, 2005 9:57 am

I was wrong, when you get an even number in 1 die and an odd number in the other die, they add up to an odd number. Statistics was never my strong subject.

Could it be 1 in 3?

E + E = E
E + O = O
O + O = E

DerbiJiiF · Post by **DerbiJiiF** » Sat Jul 30, 2005 11:12 am

Nope, not even close, but keep trying it. Hint: try to figure out how many odds and evens are possible..... A good starting point

DerbiJiif Smile

intellex · Post by **intellex** » Sat Jul 30, 2005 11:35 am

derbi it depends on the dise like DD said mostly are six so it makes one

out six basic statistics and if you are looking evens and odds

its 3/3 1 , 2 , 3, 4 , 5, 6, so what is your question?

DerbiJiiF · Post by **DerbiJiiF** » Sat Jul 30, 2005 12:40 pm

Intel

Read the question well, and all the information you need are found with in the question statement.

PragmaticGal · Post by **PragmaticGal** » Sat Jul 30, 2005 2:14 pm

Third time is the charm, hopefully.

Each die has six numbers, half of which are even (E) and half odd (O).

Possible combinations:
E + E = E
E + O = O
O + O = E
O + E = O

The two combinations that lead to an even number is E + E and O + O. Probability of getting even in one die AND even in the other die is 1/4 (1/2*1/2). Probability of getting odd in one die AND odd in the other is also 1/4. The sum of these two probabilities is 1/2.

My final answer is 1/2.

intellex · Post by **intellex** » Sat Jul 30, 2005 2:46 pm

ok let me see

your odds are 1+2= 3

1+4= 5 and so on

your evens are

1+1=2

1+3=4

and so on

so finally we have 12/9 my final answer is

4 and 1

DerbiJiiF · Post by **DerbiJiiF** » Sat Jul 30, 2005 4:35 pm

Nope wrong Intel

intellex · Post by **intellex** » Sat Jul 30, 2005 5:02 pm

ok geniues what is the correct answer?

DerbiJiiF · Post by **DerbiJiiF** » Mon Aug 01, 2005 12:37 am

Solution:
There are 6 possible even numbers that can come up and they are:
2,4,6,8,10 and 12. (remeber: you are tossing a pair = 2 dices-- not one)
Derbi

intellex · Post by **intellex** » Mon Aug 01, 2005 1:05 am

dear derbi check what i wrote o h my god that is even bare how about the odd numbers?

DerbiJiiF · Post by **DerbiJiiF** » Mon Aug 01, 2005 1:12 am

Intelx -- you are asked even numbers, not odds.
And since you insist the odds, there are only 5 possible numbers and they are as following: 3,5,7,9 and 11.

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The Puzzle of the Day : Dice-even-odd

The Puzzle of the Day : Dice-even-odd