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A stativics instructor designedan exam so that the erades would be roughly normaliy distributed
with mean ar=73 and standard devatione = 11. Unfortunatelxa fire alarm with ten minutes to go
in the exam made it diffid for some ttudents to finish. When the instructer graded the eums, he
found they were roughly normally distributed, but the matan grade was 61 and the itandard
deviation wat 20 . To be far, he decides to "curve" the scores to match the desired N(73,11
distribution. To do thit. he standardiaes the actuad seores to r-scores ualing the N(61. 20)
distribution and then "unstandardizes" those Rscores to shilt to N(73, II). Whut is the new grade
asslged for a student whote original score was 41 ? Round your anwer to the nearest integer.
New score * How aboet a tudent who originally scores an il?? Hound your anwer to the nearet
intecer. New sore =

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A stativics instructor designedan exam so that the erades would be ro.pdf

  • 1. A stativics instructor designedan exam so that the erades would be roughly normaliy distributed with mean ar=73 and standard devatione = 11. Unfortunatelxa fire alarm with ten minutes to go in the exam made it diffid for some ttudents to finish. When the instructer graded the eums, he found they were roughly normally distributed, but the matan grade was 61 and the itandard deviation wat 20 . To be far, he decides to "curve" the scores to match the desired N(73,11 distribution. To do thit. he standardiaes the actuad seores to r-scores ualing the N(61. 20) distribution and then "unstandardizes" those Rscores to shilt to N(73, II). Whut is the new grade asslged for a student whote original score was 41 ? Round your anwer to the nearest integer. New score * How aboet a tudent who originally scores an il?? Hound your anwer to the nearet intecer. New sore =