an ice cest contains 7 cans of apple juice ,8 cans of grape juice ,7 cans of orange juice ,8 cans of mango juice .suppose that you reach into the container and randomly select three cans in succession...

an ice cest contains 7 cans of apple juice ,8 cans of grape juice ,7 cans of orange juice ,8 cans of mango juice .suppose that you reach into the container and randomly select three cans in succession . find the probability of selecting three cans of orange juice