Posted by Hannah on .
1. When two fair dice are tossed, what is the probability of a sum of 4 or a sum of 8?
2. When two fair dice are tossed, what is the probability of doubles or a sum over 9?
3. Evaluate 1025! / 1022!
Please help

Probability NEED HELP 
milano,
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Probability NEED HELP 
PsyDAG,
There are 36 possibilities with 2 dice.
sum of 4 = 2,2 or 1,3 or 3,1
Sum of 8 = 2,6 or 6,2 or 3,5 or 5,3 or 4,4
1. 8/36
2. Use similar process.
3. 1023 * 1024 * 1025 = ? 
Probability milano 
PsyDAG,
If you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked.
Also state the subject correctly, so tutors who are experts in that area are more likely to respond. 
Probability NEED HELP 
rhianna,
what is the upper most probability of 3