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Mathematics, 13.07.2019 05:10 Crxymia

Ineed this done in an excel spreadsheet with solutions
the following probabilities for grades in management science have been determined based on past records:
grade probability
a 0.1
b 0.2
c 0.4
d 0.2
f 0.10
the grades are assigned on a 4.0 scale, where an a is a 4.0, a b a 3.0, and so on.
determine the expected grade and variance for the course.

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Ineed this done in an excel spreadsheet with solutions
the following probabilities for grades...
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