Alexander owns a small business selling used books. He knows that in the last week 70 customers paid cash, 3 customers used a debit card, and 39 customers used a credit card.If next week, he is expecting 500 customers, about how many would you expect to pay with a debit card? Round your answer to the nearest whole number.
Question
Alexander owns a small business selling used books. He knows that in the last week 70 customers paid cash, 3 customers used a debit card, and 39 customers used a credit card.If next week, he is expecting 500 customers, about how many would you expect to pay with a debit card? Round your answer to the nearest whole number.
Solution
Primero, necesitamos determinar la proporción de clientes que pagaron con tarjeta de débito la semana pasada. Para ello, sumamos el total de clientes:
70 (efectivo) + 3 (tarjeta de débito) + 39 (tarjeta de crédito) = 112 clientes.
Luego, calculamos la proporción de clientes que usaron tarjeta de débito:
3 (tarjeta de débito) / 112 (total de clientes) ≈ 0.0268.
Ahora, aplicamos esta proporción al número esperado de clientes la próxima semana:
0.0268 * 500 ≈ 13.4.
Finalmente, redondeamos al número entero más cercano:
13.4 ≈ 13.
Por lo tanto, se espera que aproximadamente 13 clientes paguen con tarjeta de débito la próxima semana.
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