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.

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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

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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.

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