Solve the problem.The pulse rate for a species of small mammal follows a normal distribution with a mean 
beats per minute and standard deviation 
beats per minute. In a population of 1000 of these mammals, how many would you expect to have a pulse rate between 195 and 243?
A. ? 540 of these mammals
B. ? 500 of these mammals
C. ? 480 of these mammals
D. ? 690 of these mammals
Answer: A
Mathematics
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Evaluate the integral by changing the order of integration in an appropriate way.
A. - 8 ln 2 ln cos 6 B. 4 ln 2 ln cos 6 C. 8 ln 2 ln cos 6 D. - 4 ln 2 ln cos 6
Mathematics
Graph the function and its inverse on the same Cartesian plane.f(x) = log1/8 x
A. 
B. 
C. 
D. 
Mathematics
Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. p-9
B. 
C. p9
D. p-5
Mathematics
Solve the problem.Suppose that the velocity of a falling body is v = 
(k a constant) at the instant the body has fallen s meters from its starting point. Find the body's acceleration as a function of s.
A. a = - 
B. a = - 
C. a = - 
D. a = 
Mathematics