A pharmaceutical firm claims that a certain medication is

A pharmaceutical firm claims that a certain medication is 92% affective in relieving arthritis pain. If ten people who suffer from arthritis are randomly selected and given this medecine, and assuming that the claim is correct, find the probability that

a) at least eight of them will be relieved of their arthritis pain
b) exactly two of them will not be relieved of their arthritic pain

IS THIS BINOMINAL????

Yes.

next

i figured wso much but sometimes i can't tell. okay now that i have that covered anyone know how to start a binominal question cause i don't

We can't really teach lessons here. Here's one of many sources on the net about binomial distribution:

http://en.wikipedia.org/wiki/Binomial_distribution

Please read and try the problem yourself first, then post your work and tell us where you got stuck, if you do.

okay thanks all check it out