Question

table b frequency of foreign - language studies by row
table b frequency of foreign language studies by row

	taking a foreign language	not taking a foreign language	total
high school	0.88	0.12	1.0
total	0.8	0.2	1.0

which table could be used to answer the question assuming a student is taking a foreign language, what is the probability the student is also in high school?

• table a, because the given condition is that the student is in high school
• table a, because the given condition is that the student is taking a foreign language
• table b, because the given condition is that the student is in high school
• table b, because the given condition is that the student is taking a foreign language

Explanation:

Step1: Identificar la condición

La pregunta busca la probabilidad de que un estudiante esté en escuela secundaria dado que está tomando un idioma extranjero.

Step2: Analizar las tablas

Table B presenta las frecuencias de estudiantes que toman o no un idioma extranjero y su nivel de escuela (escuela media o secundaria). La condición inicial es que el estudiante esté tomando un idioma extranjero, y Table B nos permite extraer la información necesaria para calcular la probabilidad deseada. Table A no está relacionada con esta condición.

Answer:

D. Table B, because the given condition is that the student is taking a foreign - language