(Ch.4, Q.2) need answers An instructor has graded 28 exam papers submitted by st
ID: 3202845 • Letter: #
Question
(Ch.4, Q.2) need answersAn 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? By 2 points?
(Ch.4, Q.2) need answers
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? 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? 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? By 2 points?
Explanation / Answer
Answer is=96
average of 28 exam is 67
total score of 28 exam=28*67=1876
now average of 29 should be increased by 1 i.e. average should be 67+1=68
total score of 29 exam=29*68=1972
score on the last paper have to be to raise the class average by 1 point=1972-1876=96
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