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Mathematics, 16.06.2021 05:00 galfaro19

El departamento de analistas de marketing de una empresa de teléfonos celulares conoce que los montos de las facturas mensuales de sus clientes no corporativos siguen una distribución normal con media de $80.000 y desviación estándar de $12.000. Para planificar mejor sus estrategias comerciales para los próximos meses desean conocer: a) ¿Qué porcentaje de los clientes tienen un consumo entre $80.000 y $93.000?

b) ¿Qué porcentaje de los clientes tienen un consumo entre $90.000 y $105.000?

c) ¿Qué porcentaje de los clientes tienen un consumo inferior a $68.000?

d) ¿Qué porcentaje de los clientes tienen un consumo entre $70.000 y $90.000?

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El departamento de analistas de marketing de una empresa de teléfonos celulares conoce que los monto...
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