Solve the problem.A company has 23,500 employees. The average length of service for the employees is 9.3 years with a standard deviation of 4.2 years. Find the length of service (to the nearest one-tenth of a year) for an employee whose time in service has a z-score of 1.5.
A. 7.8 years
B. 15.6 years
C. 15.7 years
D. 13.5 years
Answer: B
Mathematics
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A. (0, ?) B. [0, ?) C. (-?, 0) D. (-?, 0]
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, and the actual temperature was 
Find the difference between the actual temperature and the windchill temperature.
A. 58°F B. 29°F C. 25°F D. 31°F
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