In: Statistics and Probability
If the class contains 35 people, 12 have brown hair, 11 are blondes, 8 have black hair, and the rest are redheads, what is the probability of randomly selecting a redhead and a blonde on two random selections (of one each).
Given the above distribution:
A. how many permutations of redheads are there ?
B. How many combinations of redheads taken two at a time ?