Question

Mario collected data from his classmates on their favorite subject among math, science, english and history. The data is displayed in the table. Is it likely that a student likes math more if they are in 9th grade or 12th grade? Justify your answer.

Answer 1

You are looking for two conditional probabilities. The first is that a person likes math given they are in 9th grade and the second is that a person likes math given they are in 12th grade. 12th grade. The conditional probability that a 12th grader likes math is 0.412, while the conditional probability that a 9th grader likes math is 0.390