Use the standard normal curve table to find the closest z-score for the given condition.74.9% of the total area is to the left of z.
A. -0.67
B. 0.68
C. 0.67
D. 0.66
Answer: C
Mathematics
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Find the indicated derivative.Find y ''' if y = 6x sin x.
A. y ''' = 6x cos x + 18 sin x B. y ''' = - 6x cos x + 18 sin x C. y ''' = - 6x cos x - 18 sin x D. y ''' = 12 cos x - 6x sin x
Mathematics
Determine if the stated number could represent a probability.-1.4
A. No B. Yes
Mathematics
Solve the equation by completing the square.16x2 - 3x + 1 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve.The number B (measured in thousands) of a certain type of endangered bird can be approximated by the equation B = 1.09x2 + 3.8x + 6.78, where x is the number of years after 1998. How many birds does the equation predict there will be in the year 2010?
A. 202,560 birds B. 167,540 birds C. 209,340 birds D. 65,460 birds
Mathematics