You roll a six-sided die. Find the probabilities of rolling a 3? Rolling a 7? Rolling a 3 or 4?

The probability of rolling a 3 is 1/6.

The probability of rolling a 7 is 0%.

The probability of rolling a 3 or 4 is 1/3.

The sides on a dice are 1, 2, 3, 4, 5, and 6. They all have a 1/6 chance of rolling.

So,

There is a 1/6 chance of rolling a 3.

There is a 1/3 chance of rolling a 3 or 4.

Since there is no 7 on a dice, there is a 0% chance of rolling it.

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.  

you didn't give me the choices, so i will just give you the graph so you can look at your choices and choose the right one.