ann runs a day care center. of the last 18 children to enroll at the day care center, 8 of them have been…
ann runs a day care center. of the last 18 children to enroll at the day care center, 8 of them have been elementary school students. considering this data, how many of the next 9 children to enroll should you expect to be elementary school students? elementary school students
Answer
Explanation:
Step1: Calcular la proporción
La proporción de estudiantes de escuela primaria entre los últimos 18 niños es $\frac{8}{18}=\frac{4}{9}$.
Step2: Aplicar la proporción
Para los próximos 9 niños, el número esperado de estudiantes de escuela primaria es $9\times\frac{4}{9}$. $9\times\frac{4}{9}=4$.
Answer:
4