midnightdeadroses
midnightdeadroses midnightdeadroses
  • 09-05-2021
  • Mathematics
contestada

Getting a sum of either 5, 11, or 12 on a roll of two dice.

Can someone please explain what I need to do in order to go about solving this problem? ​

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 10-05-2021

9514 1404 393

Answer:

  7/36

Step-by-step explanation:

It can be helpful to make a chart similar to the attached that lists all 36 possible outcomes from the roll of two dice.

You can see there are 4 ways to roll a sum of 5. There are 2 ways to roll a sum of 11, and 1 way to roll a sum of 12.

Getting a sum of 5, 11, or 12 on a roll of 2 dice can be achieved 4+2+1=7 of the 36 ways the dice can fall.

  P(5, 11, or 12) = 7/36

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