Solve the problem.The time of a telephone call (in minutes) to a certain town is a continuous random variable with a probability density function defined by 
for 
Find the probability: 
A. 0.7830
B. 0.3170
C. 0.999999
D. 0.2170
Answer: C
Mathematics
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Determine ratio of A to B. Round as indicated.A = 49? square centimeters is the area of a circle with diameter 14 centimeters. B = 196 square centimeters is the area of a square with sides of length <14 centimeters. (Do not round.)
A. 
B. 
C. 
D. 
Mathematics
If the number given is a mixed number, convert it to a fraction. If the number is given as a fraction, convert it to a mixed number.
A. 3
B. 3
C. 4
D. 2
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = 
A. Q(x) = 1 + 2x
B. Q(x) = 
C. Q(x) = 2x
D. Q(x) = 1 + 
Mathematics
Perform the indicated operations.
A. 0.01912046 B. 5.23 C. 52.3 D. 0.19120459
Mathematics