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iren2701 [21]
3 years ago
12

You are studying for your final exam of the semester. up to this point,you recieved 3 exam scores of 83%,85%, and 84%. to reciev

e a grade of B in the class you must average exam score between 80% and 89% for all 4 exams including the final.
Find the widest range of scores that you can get on the final exam in order to recieve a grade of B for the class.Use interval notation ...?
Mathematics
2 answers:
tamaranim1 [39]3 years ago
8 0
<span>[68,100]

This will allow you to get a B score.

To solve find the medium by adding the values divided by 4, solve for the unknown of the final exam, with the minimum value equalling 80, this will give you 68.</span>
Gekata [30.6K]3 years ago
5 0

Answer:

The widest range lies between [68,100]

Step-by-step explanation:

Given is - to receive a grade of B in the class you must average exam score between 80% and 89% for all 4 exams including the final.

So, the range of the addition of all 4 scores is -

80*4=320

89*4=356

Now given scores addition is = 83+85+84=252

Now, the widest range of scores that you can get on the final exam in order to receive a grade of B can be found as :

320-252= 68

356-252= 104

So, the range lies between [68,100]

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