Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income less than $25,000?
A. 0.58
B. 0.22
C. 0.69
D. 0.31
Answer: D
Mathematics
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Solve the problem. Round your answer to two decimal places.Scores on a test are normally distributed with a mean of 118 and a standard deviation of 15. What is the exam score corresponding to a standard score of 1.92?
A. 118.13 B. 89.2 C. 146.8 D. None of the above
Mathematics
Find the solution set in the real numbers.6(2w - 7) = 4(3w + 5)
A. 62 B. No solution C. All real numbers D. 0
Mathematics
Solve the rational inequality. Graph the solution set.
< 1
A. (-?, -7)
B. (-?, -7) ? (1, ?)
C. (-7, 1)
D. (-7, ?)
Mathematics
Make a stem and leaf plot of the data.The following data show the number of laps runby each participant in a marathon.46 65 55 43 51 4857 30 43 49 32 56
A. 
B. 
Mathematics