document.write( "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........ \n" ); document.write( "

Algebra.Com's Answer #277242 by robertb(5830) $\"\"$ $\"About$

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0.7*0.98 + 0.3*0.97 = 0.977 \n" ); document.write( "

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