SOLUTION: in a cellular phone area, company A accounts for 70% of the cellular phone market, while company B accounts for the remaining 30% of the market. Of the cellular calls made with com

Algebra ->  Probability-and-statistics -> SOLUTION: in a cellular phone area, company A accounts for 70% of the cellular phone market, while company B accounts for the remaining 30% of the market. Of the cellular calls made with com      Log On


   



Question 390910: in a cellular phone area, company A accounts for 70% of the cellular phone market, while company B accounts for the remaining 30% of the market. Of the cellular calls made with company A, 2% of the calls will have some sort of interference, while 3% of the cellular calls with company B will have interference. if a cellalar call is selected at , the probability that it will not have interference is........
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
0.7*0.98 + 0.3*0.97 = 0.977