P(not 5) =5/6 and P(5) = 1/6
If the first 5 is rolled on the 5th roll then the first four rolls were not 5
P(5 on fifth roll) = 5/6 x 5/6 x 5/6 x 5/6 x 1/6 = 5^4/6^5 = 625/7776 = 0.080375...
Ans: 10+7n
Step-by-step explanation: there you go
790 students I subtracted 1495-85 then divided that by two then added the 85 to 705 to get 790
I’m not sure. But I’m sure someone will help you. I haven’t done it in a while. Sorry about that