(Answered) A cell phone salesperson has kept records on the customers

Statistics

A cell phone salesperson has kept records on the customers who visited the store. 40% of the customers who visited the store were female. Furthermore, the data shows that 35% of the females who visited his store purchased a cell phone, while 20% of the males who visited his store purchased a cell phone. What is the probability that a female customer will purchase a cell phone?

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