Solve the problem.The monthly incomes of trainees at a local factory are normally distributed with a mean of $1600 and a standard deviation $150. What percentage of trainees earn less than $1390 a month?
A. 1.40%
B. 44.04%
C. 91.92%
D. 8.08%
Answer: D
Mathematics
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A. 
B. - 
j
C. 
j
D. - 
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A. 2,985,984 B. 665,280 C. 924 D. 72
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What will be an ideal response?
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Graph the inequality.3x + y ? 5
A. 
B. 
C. 
D. 
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