Knowing the results of the 2018 SAT math exam with a mean of 531 and standard deviation of 114, answer the following questions?

a. What percentage of test takers scored lower than 400 on the math SAT?

Your calculation:

b. What percentage scored between 600 and 700 points?

Your calculation:

c. Your score is 725. What is your percentile rank?

Your calculation:

1 Answer

Relevance
  • alex
    Lv 7
    1 month ago
    Favorite Answer

    Use your calculator

    a/

    P(X<400)=0.1253

    b/

    P(600<X<700)=0.2034

    c/

    P(X<725)=0.9556 ≈ 96%

Still have questions? Get your answers by asking now.