Ask Question
16 October, 17:57

Scores from an exam are normally distributed with a mean of 85 and a standard deviation of 5. suppose 188 students take the exam. about how many would receive a score above 80?

+1
Answers (1)
  1. 16 October, 21:31
    0
    By the empirical rule, 16% will receive a score below 80 (1 standard deviation below the mean). The other 84%, about 0.84*188 = 158, will receive a score above that value.

    About 158 students would receive a score above 80.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Scores from an exam are normally distributed with a mean of 85 and a standard deviation of 5. suppose 188 students take the exam. about how ...” 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