Roll A Pair Of Dice | Probability Math Problem

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@mathvibe
Roll a pair of dice, what is the probability the sum of the numbers equal to 5? Probability math problems can challenging, can you solve this one?

#maths #shorts #probability #mathproblem

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You can do it without writing every possibility out.

In order to roll 5, your first die has to be less than 5, so thats a 2/3 chance.

No matter what number you roll first, there is only one number that can add to that and make five. (It cant be true that x+2=5 and x+3=5) so you have a 1/6 chance of the second die being the number you need.

2/3*1/6=2/18=1/9

Shrunsies

Assuming, of course, we're talking about 6-sided dice. The word problem, as it stands, contains too much ambiguity to solve definitively.

ianshaw

Pair is singular, a pair of dice is rolled.

DrDeuteron

(a) no math needed. My bro and I used to make and play dice baseball games in 5th grade we figured all the 2 dice probabilities out on our own.

RMF

when you simplify 2/18 you get 1/9. You always want to simplify the answer.

laurbear

🤔🤔🤔🤔 should that be 12 possibilities 6 for each die ?

deniseball

I’m fairly certain that is the wrong answer given the two of the four answers are the same thing essentially

kyleburk

I'm not so sure there are 4 possibilities. 4&1 and 1&4 isn't same? Just saying..

georgewatters

roll is not an adjective. instead, say “rolled” like “A pair of dice are rolled.” Even simpler though would be “A pair of dice roll” or “You roll a pair of dice.”

cringy-year-old

If the dice are roll, whatever that is, they are not dice, so e, none of the above.

dls

This isn’t correct we only need to take 2 possibilities as the order does not matter because they are rolled together.

If it was mentioned that we roll dice one after another then we could have taken 4 possibilities.

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