Ask Question
21 July, 12:42

A data set is normally distributed with a mean of 42 and a standard deviation of 9. What percent of the data values lie between 15 and 60?

+1
Answers (1)
  1. 21 July, 12:52
    0
    97.59%.

    Step-by-step explanation:

    z-score for data value 15 = (15-42) / 9

    = - 3.

    z-score for data value (60 - 42) / 9

    = 2.

    Using the standard normal tables we get:

    = 0.4772 - ( - 0.4987)

    = 0.9759.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A data set is normally distributed with a mean of 42 and a standard deviation of 9. What percent of the data values lie between 15 and 60? ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers