Solve the problem. Round your answer to two decimal places.Scores on a test are normally distributed with a mean of 118 and a standard deviation of 15. What is the exam score corresponding to a standard score of 1.92?
A. 118.13
B. 89.2
C. 146.8
D. None of the above
Answer: C
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Solve the problem.Estimate the minimum number of subintervals needed to approximate the integral
with an error of magnitude less than 10-4 using the Trapezoidal Rule.
A. 245 B. 151 C. 174 D. 300
Solve the problem.A stuntman jumps from a rooftop 315 ft off the ground. How long will it take him, falling freely, to reach the ground? (Use the formula s = 16t2.)
A. About 19.7 sec B. About 71.0 sec C. About 4.4 sec D. About 9.8 sec
Rationalize the denominator.
A. 
- 
B. 
C. 
D. 
Solve the problem.The average height of a boy in the United States, from birth through 60 months, can be modeled by 
where y is the average height, in inches, of boys who are x months of age. What would be the expected difference in height between a child 49 months of age and a child 16 months of age?
A. 48.9 inches B. 20.3 inches C. 10.7 inches D. 8.7 inches