The amount of coal used by a small town over several decades is given in the table below. Tons of Year Coal 1960 73 1970 128.3 1980 127.2 1990 107.9 2000 87.4 2010 97.9 2020 171.8 a) Perform regression to find a cubic polynomial that fits the data. Use years since 1960 as your inputs. P(x)= Round all values to 4 decimal places. b) Use the model to estimate the amount of coal that was used in 1995. tons Round to 2 decimal places. c) Use the model to predict the amount of coal that will be used in 2060. tons Round to 2 decimal places.
The amount of coal used by a small town over several decades is given in the table below. Tons of Year Coal 1960 73 1970 128.3 1980 127.2 1990 107.9 2000 87.4 2010 97.9 2020 171.8 a) Perform regression to find a cubic polynomial that fits the data. Use years since 1960 as your inputs. P(x)= Round all values to 4 decimal places. b) Use the model to estimate the amount of coal that was used in 1995. tons Round to 2 decimal places. c) Use the model to predict the amount of coal that will be used in 2060. tons Round to 2 decimal places.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:The amount of coal used by a small town over several decades is given in the table below.
Tons of
Year
Coal
1960
73
1970
128.3
1980 127.2
1990 107.9
2000
87.4
2010
97.9
2020 171.8
a) Perform regression to find a cubic polynomial that fits the data. Use years since 1960 as your inputs.
P(x)=
Round all values to 4 decimal places.
b) Use the model to estimate the amount of coal that was used in 1995.
tons
Round to 2 decimal places.
c) Use the model to predict the amount of coal that will be used in 2060.
tons
Round to 2 decimal places.
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