SOLUTION: If you roll two six-sided dice, what is the probability that the sum is 6 or 7? Your answer should be a decimal between 0 and 1 rounded to no less than two decimal places.

Algebra ->  Probability-and-statistics -> SOLUTION: If you roll two six-sided dice, what is the probability that the sum is 6 or 7? Your answer should be a decimal between 0 and 1 rounded to no less than two decimal places.       Log On


   

Question 528338: If you roll two six-sided dice, what is the probability that the sum is 6 or 7? Your answer should be a decimal between 0 and 1 rounded to no less than two decimal places.
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!


⚀⚀   ⚀⚁   ⚀⚂   ⚀⚃   ⚀⚄  ⚀⚅

⚁⚀   ⚁⚁   ⚁⚂   ⚁⚃   ⚁⚄  ⚁⚅

⚂⚀   ⚂⚁   ⚂⚂   ⚂⚃   ⚂⚄  ⚂⚅

⚃⚀   ⚃⚁   ⚃⚂   ⚃⚃   ⚃⚄  ⚃⚅

⚄⚀   ⚄⚁   ⚄⚂   ⚄⚃   ⚄⚄  ⚄⚅

⚅⚀   ⚅⚁   ⚅⚂   ⚅⚃   ⚅⚄  ⚅⚅

All the rolls that have sum 6 or 7 are colored red.
If you count them there are 11 red ones out of 36 rolls.
So the probability is 11 out of 36 or 11%2F36 or .30555555555555...,

Rounded to two decimal places .31
Rounded to three decimal places .306
Rounded to four decimal places .3056





Edwin