Marcos and Amaya work at a mobile phone company that offers customers an optional care plan. Customers can choose to pay an extra
when they buy a new phone, and if they damage their screen, then the company will cover the cost of the repair.
Marcos and Amaya let
represent their company's net gain on the sale of a given care plan, and they find the expected value of
is
.
Marcos says, "If we sell many of these care plans, the average gain for our company will be about
per plan."
Amaya says, "For every
customers who buy this care plan, we can expect a net gain of about
."
Whose statement is correct based on the expected value?
