(Solved): The retirement plan for a company allows employees to invest in 10 different mutual funds. If Sam s ...

The retirement plan for a company allows employees to invest in 10 different mutual funds. If Sam selected 4 of these funds at random and 6 of the 10 grew by at least $10\%$ over the last year, what is the probability that 3 of Sam's 4 funds grew by at least $10\%$ last year? (Enter your probability as a fraction.)