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Estimate the expected grade & variance for the course

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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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