Mrs. Henderson thinks her test completion time will be 35 minutes with a margin of error of 10.  What is the possible range of times? 15 to 45 min.       25 to 55 min       35 to 45 min       25 to 45 min.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Mrs. Henderson thinks her test completion time will be 35 minutes with a margin of error of 10.  What is the possible range of times?

15 to 45 min.
     
25 to 55 min
     
35 to 45 min
     
25 to 45 min.

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