Solve the problem.The annual rainfall in Maine is a random variable with probability density function defined by 
for x in 
Find the probability of rainfall within one standard deviation from the mean.
A. 0.365
B. 0.612
C. 0.622
D. 0.594
Answer: C
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Solve the problem. If necessary, round to the nearest tenth.The force acting on a pendulum to bring it to its perpendicular resting point is called the restoring force. The restoring force F, in Newtons, acting on a string pendulum is given by the formula F = mg sin ?where m is the mass in kilograms of the pendulum's bob, g ? 9.8 meters per second per second is the acceleration due to gravity, and ? is angle at which the pendulum is displaced from the perpendicular. What is the value of the restoring force when m = 0.5 kilogram and ? = 45°?
A. 3.4 N B. 4.2 N C. 3.5 N D. 3.3 N
Is the following correspondence a function?Domain: All students attending the University of OhioCorrespondence: Each student's teachersRange: A set of teachers
A. Yes B. No
Solve the problem.A certain noise produces 
of power, designated as S. What is the decibel level of this noise? 
where S0 is 10-12 watt/m2. (Round to the nearest decibel.)
A. 9 decibels B. 79 decibels C. 89 decibels D. 204 decibels
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = x5 - 3 
A. 
B. 
C. 
D. 