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31 Oct 2024, 01:30
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45%
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74% (02:42) correct
26%
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When assigning a score for the term, a professor takes the mean of all of a student's test scores except for his or her lowest score.
On the first five exams, Donna has achieved the following scores: 76, 84, 80, 65, 91. There is one more exam in the course. Assuming that 100 is the maximum possible score, what is the range of possible final averages she can achieve (nearest tenth, if applicable)?
(A) Minimum 79.2; maximum 99.2
(B) Minimum 79.2; maximum 86.2
(C) Minimum 80, maximum 84
(D) Minimum 66; maximum 99.2
(E) Minimum 66; maximum 71.8
On the first five exams, Donna has achieved the following scores: 76, 84, 80, 65, 91. There is one more exam in the course. Assuming that 100 is the maximum possible score, what is the range of possible final averages she can achieve (nearest tenth, if applicable)?
(A) Minimum 79.2; maximum 99.2
(B) Minimum 79.2; maximum 86.2
(C) Minimum 80, maximum 84
(D) Minimum 66; maximum 99.2
(E) Minimum 66; maximum 71.8
31 Oct 2024, 02:44
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Considering 100 as one of the scores, the list of scores become 100, 91, 84, 80, 76, 65.
Maximum average: (100+91+84+80+76)/5 = 431/5 = 86.2
Minimum average: (91+84+80+76+65)/5 = 397/5 = 79.2
Maximum average: (100+91+84+80+76)/5 = 431/5 = 86.2
Minimum average: (91+84+80+76+65)/5 = 397/5 = 79.2
dhairya18
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25 Mar 2026, 09:01
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The total number of exams are 6 why are you dividing it by 5?
