(Ch.4, Q.2) need answer for 2 points An instructor has graded 28 exam papers sub
ID: 3202852 • Letter: #
Question
(Ch.4, Q.2) need answer for 2 pointsAn instructor has graded 28 exam papers submitted by students in a class of 29 students, and the average so far is 67. (The maximum possible score is 100.)
How high would the score on the last paper have to be to raise the class average by 1 point? 96
By 2 points?
(Ch.4, Q.2) need answer for 2 points
An instructor has graded 28 exam papers submitted by students in a class of 29 students, and the average so far is 67. (The maximum possible score is 100.)
How high would the score on the last paper have to be to raise the class average by 1 point? 96
By 2 points?
An instructor has graded 28 exam papers submitted by students in a class of 29 students, and the average so far is 67. (The maximum possible score is 100.)
How high would the score on the last paper have to be to raise the class average by 1 point? 96
By 2 points?
An instructor has graded 28 exam papers submitted by students in a class of 29 students, and the average so far is 67. (The maximum possible score is 100.)
How high would the score on the last paper have to be to raise the class average by 1 point? 96
By 2 points?
Explanation / Answer
answer is 96
average of 28 exam papers=67
total scores of 28 exam papers=67*28=1876
average of 29 exam papers should be increased by 1 from 67 i.e
average of 29 exam papers should be=67+1=68
total score of 29 exam papers=29*68=1972
score on the last paper=1972-1876=96
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