SOLUTION: Suppose you just received a shipment of eleven televisions. Four of the televisions are defective. If two televisions are randomly​ selected, compute the probability that b

Algebra ->  Probability-and-statistics -> SOLUTION: Suppose you just received a shipment of eleven televisions. Four of the televisions are defective. If two televisions are randomly​ selected, compute the probability that b      Log On


   

Question 1152700: Suppose you just received a shipment of
eleven televisions.
Four of the televisions are defective. If two televisions are randomly​ selected, compute the probability that both televisions work. What is the probability at least one of the two televisions does not​ work?

Answer by ikleyn(52835) About Me  (Show Source):
You can put this solution on YOUR website!
.

(a)  P(both TVs work) = %287%2F11%29%2A%286%2F10%29.


     Explanation:  under the given condition, 7 = 11-4 TVs are in order.


     So, we select one from these 7 proper TVs, and then one from 6 remaining proper TVs.