Drew Is Taking an Economics Class Where Two Tests and a Final

question 54

Multiple Choice

Drew is taking an economics class where two tests and a final will be given.The two tests are worth 25% each,while the final exam counts for 50%.If Drew wants to calculate the expected value of her grade,she should use which of the following formulas?

• A) (0.25)(Test 1)+ (0.25)(Test 2)+ (0.50)(Final Exam).
• B) (Test 1 + Test 2 + Final Exam)/3.
• C) (0.33)(Test 1)+ (0.33)(Test 2)+ (0.33)(Final Exam).
• D) (25)(Test 1)+ (25)(Test 2)+ (50)(Final Exam).
• E) Impossible to determine.

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