Mathematics, 13.02.2020 23:31 jtmoney10
A telemarketing company calls telephone numbers chosen at random. It finds that 70% of calls arc not completed (the party does not answer or refuses to talk), that 20% result in talking to a woman, and that 10% result in talking to a man. After that point, 30% of the women and 20% of the men actually buy something. What percentage of calls result in a sale? (Draw a tree diagram) What percent of sales are made to women?
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