Problema Solution
A collection of 16 single-serving ice cream cups consists of 11 chocolate ice cream cups and 5 vanilla ice cream cups.7 of the ice cream cups are randomly selected by guests at a party.
What is the probability that the 7 randomly selected consist of 4 chocolate ice cream cups and 3 vanilla ice cream cups?
Answer provided by our tutors
Probability of it to be a choc. cup = 7/11
Probability of bng a vanilla cup = 3/5
Probability that the 7 cups selected is 4 chocolate and 3 vanilka is 7/11 * 3/5 = 21 / 55