Scores on a standardized math placement test are normally distributed with mean 130 points and standard deviation 15 points. Which of the following is closest to the percent of test takers who score between 100 points and 145 points? (A) 18% (B) 32% (C) 68% (D) 82% (E) 95%

Scores on a standardized math placement test are normally distributed with mean 130 points and standard deviation 15 points. Which of the following is closest to the percent of test takers who score between 100 points and 145 points? (A) 18% (B) 32% (C) 68% (D) 82% (E) 95%

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 1GP

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Question

Scores on a standardized math placement test are normally distributed with mean 130 points and
standard deviation 15 points. Which of the following is closest to the percent of test takers who score
between 100 points and 145 points?
(A) 18%
(B) 32%
(C) 68%
(D) 82%
(E) 95%

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