A caf is selling as a part of their lunch deal. The caf has 10 bags of salted chips, 15 bqq, 12 plain, and 15 ketchup. If you and 3 friends buy lunch at the caf
a)What is the probability that you all get different types of chips
b)What is the probability that all og you get the same type of chip
a)What is the probability that you all get different types of chips
b)What is the probability that all og you get the same type of chip