Question

the bucket containing orange tennis balls and yellow tennis balls
from which 5 balls are selected at random, but assume that
the bucket contains 6 orange balls and 9 yellow balls
(1) What is the probability that, of the 5 balls selected at random,
at least one is orange and at least one is yellow?
(1) What is the probability that, of the 5 balls selected at random,
at least two are orange and at least two are yellow?

Answer 1

2/5 and 4/5

Answer 2

that was not correct

Answer 3

P(at least 1 is Orange and 1 is Yellow) = 87/91

Answer 4

that is correct

Answer 5

P(at least 2 are Orange and 2 are Yellow) = 60/91

Answer 6

yes