Solve the problem.The length of time it takes college students to find a parking spot in the library parking lot follows a normal distribution with a mean of 4.0 minutes and a standard deviation of 1 minute. Find the probability that a randomly selected college student will take between 2.5 and 5.0 minutes to find a parking spot in the library lot.
A. 0.0919
B. 0.4938
C. 0.2255
D. 0.7745
Answer: D
Mathematics
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Solve.A rectangular Persian carpet has a perimeter of 208 inches. The length of the carpet is 24 inches more than the width. What are the dimensions of the carpet?
A. 92 in., 116 in. B. 64 in., 88 in. C. 40 in., 64 in. D. 80 in., 104 in.
Mathematics
Solve the problem.The manufacturer of a CD player has found that the revenue R (in dollars) is 
when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?
A. $171,610 B. $343,220 C. $686,440 D. $85,805
Mathematics
Evaluate the expression.
A. 2!
B. 
C. 6
D. 30
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics