A multiple-choice test offers four possible answers for every question, of which only one is the correct answer. A student guesses on four of the questions. What is the probability that she gets exactly three of the guessed questions correct?
What will be an ideal response?
0.3721
Mathematics
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Answer the following statement(s) true (T) or false (F)
It is acceptable for a student teacher to dress more casually than other teachers in the building because he or she does not yet have a teaching license.
Mathematics
Find the domain of f(x).f(x) = ?28 - x?
A. ? the set of all real numbers B. {x? x is a real number and x ? -28} C. {x? x is a real number and x ? 28} D. {x? x < 28}
Mathematics
Find an expression equivalent to the one given.
A. 
B. 
C. - 
D. 
Mathematics
Perform the indicated operations.( 9x2 - 4xy - 1) + ( -7x2 - 5x + 8)
A. 2x2 - 9xy + 7 B. 2x2 - 9xy - 9 C. 16x2 - 4xy - 5x + 9 D. 2x2 - 4xy - 5x + 7
Mathematics