A test consists of twelve true-false questions (of which each question has exactly one correct answer). A student guesses at all twelve questions. What is the probability that he gets exactly five of these guessed questions correct?
What will be an ideal response?
0.193359
Mathematics
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Perform the indicated arithmetic.
+ 4
A. 5
B. 4
C. 5
D. 4
Mathematics
Evaluate the sum.
A. 40 B. 30 C. 15 D. 20
Mathematics
Construct a valid argument based on the Euler diagram.
What will be an ideal response?
Mathematics
Multiply.
?
?
A. -0.01831 B. -18,310 C. -1,831,000 D. -183,100 E. -1,831
Mathematics