Ask questions and get helpful answers.

The score distribution of the final exam in a data science course follows a normal distribution with mean 70 and standard deviation 10.

Let α in (0,1) . As a reminder, the quantile of order 1−α of a random variable X is the number qα such that


According to this distribution, what score do you need to get in order to be at the 90th percentile of the class, that is, in order that 90% of all students in the class have a score less than or equal to your score?

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
1 answer
  1. Required score will be 82.85

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Answer this Question

Related Questions

Still need help?

You can ask a new question or browse existing questions.