He should guess about 34 times.
When you are rolling two dice there are 36 probabilities. In order to get an 8, there are 5 possibilities.
2 + 6, 3 + 5, 4 + 4, 5, + 3, 6 + 2
Therefore, the chances of an 8 are 5/36. Multiplying this by 250 gives us about 34.
The law of large numbers helps because it says the more rolls that take place, the more likely we are to get close to the expected value. With 250 rolls we should get pretty close.
Answer is c
Explanation: pythagorean theorem
a^2+b^2=c^2
Answer: 2x + 1
Step-by-step explanation:
With the given information, I can conclude that the length of the rectangle is 5m.
I hope this helps.
