Find the indicated probability.The table below describes the smoking habits of a group of asthma sufferers.
If one of the 1079 subjects is randomly selected, find the probability that the person chosen is a nonsmoker given that the person is a woman.
A. 0.711
B. 0.49
C. 0.495
D. 0.348
Answer: A
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Simplify.9x - {3[4(4x - 6) - (9x + 8)] + 20}
A. -66x + 28 B. -12x - 28 C. -66x + 68 D. -12x + 76
Solve the problem.The growth rate of a certain tree (in feet) is given by y = 
+ e-t2/2 , where t is time in years. Estimate the total growth of the tree through the end of the second year by using Simpson's rule. Use 2 subintervals. Round your answer to the nearest hundredth.
A. 2.34 ft B. 3.41 ft C. 5.11 ft D. 3.68 ft
Find the area enclosed by the given curves.Find the area of the region in the first quadrant bounded on the left by the y-axis, below by the line 
above left by y = x + 4, and above right by y = - x2 + 10.
A. 15
B. 
C. 
D. 
Find a general term an for the geometric sequence.a1 = 4, r = 4
A. an= 4 + 12(n - 1) B. an = 4(4)n-1 C. an =4( 4)(n-1) D. an = 4n-1 + 3