Recent content by JHE

  1. J

    Please help me solve this question about z-score&probability

    Yes, thank you, got it!
  2. J

    Please help me solve this question about z-score&probability

    The math composite score ranges from 1 to 36. In the full semester, math scores were normally distributed with a mean of 21 and a standard deviation of 5.5. What test score is equally as likely as 32? Actually, I don't know what this question wants to ask, does it want me to answer the...