Estimate the expected grade & variance for the course

Reference no: EM1320488

Question: The following probabilities for grades in management science have been determined based on past records:

Grade	Probability
A	0.1
B	0.3
C	0.4
D	0.1
F	0.1

The grades are assigned on a 4.0 scale, where an A is 4.0, B is 3.0, & so on. Estimate the expected grade & variance for the course.

Reference no: EM1320488

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