SOLUTION: Respected Sir / Mam , Please help me to solve this question. I will be very grateful for your help . My question is If two unbiased dice are rolled together, what is the probab

Algebra ->  Probability-and-statistics -> SOLUTION: Respected Sir / Mam , Please help me to solve this question. I will be very grateful for your help . My question is If two unbiased dice are rolled together, what is the probab      Log On


   

Question 485385: Respected Sir / Mam ,
Please help me to solve this question. I will be very grateful for your help .
My question is
If two unbiased dice are rolled together, what is the probability of getting no difference of points?
As the answer given is : 1/6
Please provide me the steps for this question.
Thank you
Answer by Edwin McCravy(20055) About Me  (Show Source):
You can put this solution on YOUR website!
The 6 that are red below out of the total 36 are the ones
with no difference in points.

⚀⚀   ⚀⚁   ⚀⚂   ⚀⚃   ⚀⚄  ⚀⚅

⚁⚀   ⚁⚁   ⚁⚂   ⚁⚃   ⚁⚄  ⚁⚅

⚂⚀   ⚂⚁   ⚂⚂   ⚂⚃   ⚂⚄  ⚂⚅

⚃⚀   ⚃⚁   ⚃⚂   ⚃⚃   ⚃⚄  ⚃⚅

⚄⚀   ⚄⚁   ⚄⚂   ⚄⚃   ⚄⚄  ⚄⚅

⚅⚀   ⚅⚁   ⚅⚂   ⚅⚃   ⚅⚄  ⚅⚅

So the probability is 6 out of 36 or 6/36 which reduces
to 1/6

Edwin