The mean time it takes a group of students to complete a statistics final exam is 44
Question:
The mean time it takes a group of students to complete a statistics final exam is 44 minutes, and the standard deviation is 9 minutes. Within what limits would you expect approximately 95% of the students to complete the exam? Assume the variable is approximately normally distributed.
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Related Book For 
Elementary Statistics A Step By Step Approach
ISBN: 9781259755330
10th Edition
Authors: Allan G. Bluman
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