Grade Scale Probability Expected Value Variance A 4 0.1 0.4 B 3 0.2 0.6 C 2...

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Grade Scale Probability Expected Value Variance A 4 0.1 0.4 B 3 0.2 0.6 C 2...

Grade	Scale	Probability	Expected Value	Variance
A	4	0.1	0.4
B	3	0.2	0.6
C	2	0.4	0.8
D	1	0.2	0.2
F	0	0.1	0
			2	EXPECTED GRADE

				COURSE VARIANCE

math Statistics-And-Probability

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Answer 1

Answer #1

Expected value = 2

Variance = 3.98

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Answer 2

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Grade Scale Probability Expected Value Variance A 4 0.1 0.4 B 3 0.2 0.6 C 2...

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Grade Scale Probability Expected Value Variance A 4 0.1 0.4 B 3 0.2 0.6 C 2...

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