Solve the problem.Suppose that replacement times for washing machines are normally distributed with a mean of 10.6 years and a standard deviation of 1.7 years. Find the 82nd percentile.
A. 9.0 years
B. 11.5 years
C. 10.9 years
D. 12.2 years
Answer: D
Mathematics
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The following table shows the average rice yield Y, in tons per hectare, on Asian farms t years after 1980. Use linear regression to model average rice yield as a function of years since 1980. t 5 10 20 25Y 3.39 3.67 3.95 4.13? ?
A. 
B. 
C. 
D. 
Mathematics
Write the Egyptian numeral as a Hindu-Arabic numeral using the table below.
A. 2,030,223 B. 2,003,223 C. 23,223 D. 2,300,223
Mathematics
Solve the equation.- 
y - (y + 
) = 
( y + 3)
A. 
B. 
C. 
D. 
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Graph the quadratic equation.y = -3 - 4x - x2
A. 
B. 
C. 
D. 
Mathematics