ranjeet11021993

25 *25=?

15*15=?

16*16=?

19. A Bernoulli trial with success probability p = .2 is repeated independently 15 times. What is the probability that the second, fourth, and tenth of the tries were successes, but all the other tries were failures? (A) C(15,3)(.2)3(.8)12 (B) (-2)3 (C) (-2)3(.8)12 (D) 1- C(15, 12)(.2)3(.8)12 (E) C(15, 12)(.2)3(.8)12 (F) none of the above