A Cell Phone Salesperson Has Kept Records on the Customers

question 124

Short Answer

A cell phone salesperson has kept records on the customers who visited his store. Forty percent of the customers who visited the store were female. Furthermore, the data show 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. Let A₁ represent the event that a customer is a female, A₂ represent the event that a customer is a male, and B represent the event that a customer will purchase a phone.
What is the probability that a male customer will purchase a cell phone?

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Definitions:

HIV-Positive

A diagnosis given when an individual has the Human Immunodeficiency Virus, which can lead to AIDS if untreated.

Kaposi's Sarcoma

A type of cancer that forms in the lining of blood and lymph vessels and is often associated with HIV/AIDS.

Pancreatic Cancer

A type of cancer that begins in the tissues of the pancreas, an organ in the abdomen that secretes enzymes aiding digestion and hormones that help manage blood sugar.

Lymphoma

A type of cancer that originates in the lymphatic system, which is part of the body's germ-fighting network, leading to abnormal growth of lymphocytes.