main

prev        

Statement of a problem № m138

        next    

A study of 200 advertising firms revealed their income after taxes: Income after Taxes Number of Firms Under $1 million ......... 102 $1 million to $20 million....... 61 $20 million or more......... 37 a. What is the probability an advertising firm selected at random has under $1 million in income after taxes? b. What is the probability an advertising firm selected at random has either an income between $1 million and $20 million, or an income of $20 million or more? What rule of probability was applied?




New search. (Also 1294 free access solutions)