Post Utme Noun 2020 Mathematics Question 30

Practice objective / multiple choice question 30 from the 2020 Post Utme Noun Mathematics examination.

Post Utme Noun 2020 Mathematics Objective / Multiple Choice
Question 30 POST_UTME_NOUN • 2020 • MATHEMATICS • objective

A histogram of exam scores has a mean of 75 and a standard deviation of 10. If 80% of the scores lie within 2 standard deviations of the mean, what is the range of scores?

Answer Options

A. 40-110
Correct Answer B. 50-120
C. 60-130
D. 70-140
Correct Answer
B
Correct Option:
50-120

About This Question

This is Post Utme Noun 2020 Mathematics Question 30. It is one of the objective questions from the 2020 Post Utme Noun Mathematics examination.

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support