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.
Correct Answer:
Verified
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