Solve the problem.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 50 seconds. Find the probability that a randomly selected boy in secondary school can run the mile in less than 355 seconds.
A. 0.0107
B. 0.5107
C. 0.4893
D. 0.9893
Answer: A
Mathematics
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List the numbers from smallest to largest.1.9 × 104; 3.29 × 10-3; 7.6; 4.01 × 10-2; 9.5 × 102
A. 1.9 × 104; 9.5 × 102; 7.6; 4.01 × 10-2; 3.29 × 10-3 B. 3.29 × 10-3; 4.01 × 10-2; 7.6; 9.5 × 102; 1.9 × 104 C. 7.6; 4.01 × 10-2; 3.29 × 10-3; 9.5 × 102; 1.9 × 104 D. 3.29 × 10-3; 4.01 × 10-2; 9.5 × 102; 1.9 × 104; 7.6
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Add. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
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Find the derivative of the function by using the rules of differentiation.
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What will be an ideal response?
Mathematics
Solve.5 + y = 30
A. 150 B. 25 C. 23 D. 35
Mathematics