Post Utme Eksu 2020 Mathematics Question 40

Practice objective / multiple choice question 40 from the 2020 Post Utme Eksu Mathematics examination.

Post Utme Eksu 2020 Mathematics Objective / Multiple Choice
Question 40 POST_UTME_EKSU • 2020 • MATHEMATICS • objective

A histogram of exam scores has a mean of 70 and a standard deviation of 10. If the scores are normally distributed, what is the probability that a randomly selected score is between 60 and 80?

Answer Options

A. \(P 60 < X < 80 \\) = \(\frac{1}{2}\)\) )
B. \(P 60 < X < 80 \\) = \(\frac{3}{10}\)\) )
Correct Answer C. \(P 60 < X < 80 \\) = \(\frac{5}{10}\)\) )
D. \(P 60 < X < 80 \\) = \(\frac{7}{10}\)\) )
Correct Answer
C
Correct Option:
\(P 60 < X < 80 \\) = \(\frac{5}{10}\)\) )

About This Question

This is Post Utme Eksu 2020 Mathematics Question 40. It is one of the objective questions from the 2020 Post Utme Eksu Mathematics examination.

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