Provide an appropriate response.A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 470 seconds and a standard deviation of 60 seconds. Find the probability that a randomly selected boy in secondary school can run the mile in less than 332 seconds.
A. 0.5107
B. 0.4893
C. 0.0107
D. 0.9893
Answer: C
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Graph the function and find the indicated limit.Graph the function f(x) and find 
f(x) or state that it does not exist.
A. 
f(x) = 0
B. 
f(x) does not exist
C. 
f(x) = -8
D. 
f(x) = 10
Provide an appropriate response.There are some fundamental differences between graphing a hyperbola centered at the origin and graphing an ellipse centered at the origin. What are these differences?
What will be an ideal response?
Change to a percent. Round your answer to the nearest tenth of a percent, if necessary.
A. 135.3% B. 79.6% C. 170% D. 13.5%
Use a product-to-sum identity to rewrite the expression.sin(12t2) cos (2t2)
A. 0.5(cos(10t2) - cos(14t2)) B. 0.5(cos(14t2) + cos(10t2)) C. 0.5(sin(14t2) - sin(10t2)) D. 0.5(sin(14t2) + sin(10t2))