Find the mean and standard deviation of the specified probability density function.f(x) = 5 for [5.2, 5.4]
A. ? = 5.30, ? = 0.058
B. ? = 5.32, ? = 0.058
C. ? = 5.39, ? = 0.056
D. ? = 5.30, ? = 0.056
Answer: A
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Completely factor the polynomial or state that the polynomial is prime.12z2 - 7z - 12
A. (3z - 4)(4z + 3) B. (3z + 4)(4z - 3) C. prime D. (12z - 4)(z + 3)
Candy and Tim share a paper route. It takes Candy 57 minutes to deliver all the papers, whereas Tim takes 114 minutes. How long does it take them when they work together? ? Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Draw the graph of the equation.y2 = -5x
A. 
B. 
C. 
D. 
Solve the problem.Suppose that f(x) = 4x + 5. What is f(4)? What point is on the graph of f?
A. 261; (4, 256) B. 261; (4, 261) C. 256; (4, 256) D. 256; (5, 256)