QUESTION IMAGE
Question
- a city planner has collected data on the time residents of a certain neighborhood spend commuting to work each day, in minutes. based on the histogram, what percent of citizens spend at least 20 minutes and less than 30 minutes commuting? round your answer to the nearest percent. commuting times in the neighborhood
Step1: Calcular el total de ciudadanos
Sumamos las alturas de todas las barras: \(3 + 5+10 + 15+20+25+30 = 108\)
Step2: Calcular el número de ciudadanos que cumplen la condición
Sumamos las alturas de las barras donde el tiempo de viaje es de al menos 20 minutos y menos de 30 minutos: \(20 + 25=45\)
Step3: Calcular el porcentaje
Utilizamos la fórmula \(\text{Porcentaje}=\frac{\text{Parte}}{\text{Total}}\times100\). Sustituyendo los valores: \(\frac{45}{108}\times100=\frac{4500}{108}\approx41.67\%\)
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Aproximadamente \(42\%\)