What is the probability that exactly 3 investors have exchan

What is the probability that exactly 3 investors have exchange traded funds in their portfolio? what is the probability that atleast 3 investors have exchange traded funds in their portfolio? Suppose N=15 and r = 3. Compute the hypergeometric probabilities for the following values of n and x. (Take numbers out to Four Significant Digits) n=5, x=2 n=4,x=5 n=4, x=0

Solution

a)0.219780

b) 0

c)0.362637