Post Utme Al Hikmah University 2019 Mathematics Question 18

Practice objective / multiple choice question 18 from the 2019 Post Utme Al Hikmah University Mathematics examination.

Post Utme Al Hikmah University 2019 Mathematics Objective / Multiple Choice
Question 18 POST_UTME_AL-HIKMAH_UNIVERSITY • 2019 • MATHEMATICS • objective

A histogram of exam scores has a mean of 80 and a standard deviation of 10. If the scores are normally distributed, what is the probability that a randomly selected score is between 70 and 90?

Answer Options

A. 0.5
B. 0.6
Correct Answer C. 0.7
D. 0.8
Correct Answer
C
Correct Option:
0.7

About This Question

This is Post Utme Al Hikmah University 2019 Mathematics Question 18. It is one of the objective questions from the 2019 Post Utme Al Hikmah University 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