Sigmund

A bucket contains orange tennis balls and yellow tennis balls from which 5 balls are selected at random, but assume that the bucket contains 7 orange balls and 6 yellow balls. (1) What is the probability that, of the 5 balls selected at random, at least o...

Assume that there are 16 frozen dinners: 8 pasta, 4 chicken, and 4 seafood dinners. The student selects 5 of them. What is the probability that at least 2 of the dinners selected are pasta dinners? I tried this: (c(8,2)c(8,3)+c(8,3)c(8,2)+c(8,4)c(8,1))/c(...

Thanks! I am still working on the second part.. and having a difficult time... but I am sure I will eventually figure it out. :)