Find the probability of the result using the normal curve approximation to the binomial distribution.A 56-question multiple choice test has 4 possible answers for each question and a student chooses the answers to each problem at random. A student selects 16 correct answers.
A. .1180
B. .3789
C. .1022
D. .1262
Answer: C
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Find fx, fy, and fz.f(x, y, z) = cos x sin2 (yz)
A. fx = sin x sin2 (yz); fy = - cos x sin (yz) cos (yz); fz = -cos x sin (yz) cos (yz) B. fx = -sin x sin2 (yz); fy = 2z cos x sin (yz) cos (yz); fz = 2y cos x sin (yz) cos (yz) C. fx = sin x sin2 (yz); fy = -2z cos x sin (yz) cos (yz); fz = - 2y cos x sin (yz) cos (yz) D. fx = -sin x sin2 (yz); fy = z cos x sin (yz) cos (yz); fz = y cos x sin (yz) cos (yz)
Use a graphing calculator or computer to determine which of the given viewing windows displays the most appropriate graph of the specified function.f(x) = x3 - 2x2 - 3x + 10
A. [-20, 20] by [-100, 100] B. [-5, 25] by [-5, 5] C. [-5, 5] by [-5, 25] D. [-2, 2] by [-10, 10]
Find the unit rate.$5850 earned in 9 weeks
A. $0.0015/week B. $325.00/week C. $650/week D. $585.00/week
Fill in the blank with one of the words or phrases listed below.
Replacing a variable in an expression by a number and then finding the value of the expression is called 
for the variable.
A. simplified B. numerical coefficient C. combined D. evaluating the expression