Question 522867
a certain class consisted of 25 males and 15 females. if 10 students were randomly selected, what is the probability that 4 males were selected?
-------------
Binomial Problem with n = 10 and p(male) = 25/40 = 5/8
---------
P(x = 4) = 10C4*(5/8)^4*(3/8)^6 = 0.0891
----
Cheers,
Stan H.
===========