medium · SAT Math

A survey of 150 high school students recorded each student's grade level and preferred reading genre, summarized in the table below. | Fiction | Nonfiction | Total 9th grade | 45 | 30 | 75 10th grade | 25 | 50 | 75 Total | 70 | 80 | 150 If a student is selected at random from those who prefer Nonfiction, what is the probability that the student is in 10th grade? Express your answer as a fraction in simplest form.

    Sign up free to see the explanation and track your rank →

    More SAT Math practice

    KomFi Academy — Stop doomscrolling. Get KomFi.

    Turn wasted screen time into verifiable competence.

    KomFi Academy is a curated training platform with 67,000+ practice questions, 25,000+ flashcards, on-demand video lectures, podcasts, and 4K slide decks across the topics serious professionals study: GMAT, LSAT, MCAT, SAT, Investment Banking, Private Equity (LBOs & PE math), Private Credit, Quantitative Finance, Financial Accounting, Asset- Backed Securities, Volume Profile Analysis, Order Flow Trading, Market Microstructure, Volume Spread Analysis, Elliott Wave Theory, Volume-Price Analysis, and Public Offering Frameworks.

    What's inside

    Topics

    View pricing · Read testimonials