How Big Are Gribbles? Gribbles are small, pale white, marine worms that bore through wood. While sometimes considered a pest since they can wreck wooden docks and piers, they are now being studied to determin whether the enzyme they secrete will allow us to turn inedible wood and plant waste into biofuel.' A sample of 50 gribbles finds an average length of 3.1 mm with a standard deviation of 0.72. a best estimate for the length of gribbles, a margin of error for this estimate (with 90% confidence), and a 90% confidence interval. Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places. point estimate= margin of error = The 90% confidence interval is to 1Sanderson, K., "A Chewy Problem," Nature, 23 June 2011, p. S12. Click if you would like to Show Work for this question: Open Show Work
How Big Are Gribbles? Gribbles are small, pale white, marine worms that bore through wood. While sometimes considered a pest since they can wreck wooden docks and piers, they are now being studied to determin whether the enzyme they secrete will allow us to turn inedible wood and plant waste into biofuel.' A sample of 50 gribbles finds an average length of 3.1 mm with a standard deviation of 0.72. a best estimate for the length of gribbles, a margin of error for this estimate (with 90% confidence), and a 90% confidence interval. Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places. point estimate= margin of error = The 90% confidence interval is to 1Sanderson, K., "A Chewy Problem," Nature, 23 June 2011, p. S12. Click if you would like to Show Work for this question: Open Show Work
MATLAB: An Introduction with Applications
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Chapter 6, Section 2-CI, Exercise 094
How Big Are Gribbles?
Gribbles are small, pale white, marine worms that bore through wood. While sometimes considered a pest since they can wreck wooden docks and piers, they are now being studied to determine
whether the enzyme they secrete will allow us to turn inedible wood and plant waste into biofuel. A sample of 50 gribbles finds an average length of 3.1 mm with a standard deviation of 0,72. Give
a best estimate for the length of gribbles, a margin of error for this estimate (with 90% confidence), and a 90% confidence interval.
CI.
Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places.
-CI.
point estimate =
-CI.
1-CI.
margin of error =
1-D.
The 90% confidence interval is
to
en 1-D.
1Sanderson, K., "A Chewy Problem," Nature, 23 June 2011, p. S12.
on 1-
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A My Blackboard.
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E
essay 2 - Goog.
E Interconnected..
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E The relationshi.
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ELEMENTS OF STATISTICS (MATH 1
Lock, Statistics: Unlocking the Power of Data, 2e
ORION
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tice
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ament
PRINTER VERSION
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NEX
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Chapter 6, Section 2-CI, Exercise 094
How Big Are Gribbles?
Gribbles are small, pale white, marine worms that bore through wood. While sometimes considered a pest since they can wreck wooden docks and piers, they are now being studied to determine
whether the enzyme they secrete will allow us to turn inedible wood and plant waste into biofuel. A sample of 50 gribbles finds an average length of 3.1 mm with a standard deviation of 0,72. Give
a best estimate for the length of gribbles, a margin of error for this estimate (with 90% confidence), and a 90% confidence interval.
CI.
Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places.
-CI.
point estimate =
-CI.
1-CI.
margin of error =
1-D.
The 90% confidence interval is
to
en 1-D.
1Sanderson, K., "A Chewy Problem," Nature, 23 June 2011, p. S12.
on 1-
Click if you would like to Show Work for this question: Open Show Work
ion 1-
tion 1-
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ection 1-
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ection 1-
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 alt="ELEMENTS OF STATISTICS (MATH 11
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Chapter 6, Section 2-CI, Exercise 095
Is Your Stomach Controlling Your Personality?
Scientists estimate that there are 10 times more bacterial cells in your body than your own body's cells, and new studies on bacteria in the gut indicate that your gut microbes might be influencing
you more than you realize, having positive or negative effects on health, development, and possibly even personality and behavior. A recent study' found that the average number of unique genes in
gut bacteria, for a sample of 99 healthy European individuals, was 564 million, with a standard deviation of 122 million. Use the t-distribution to find a 95% confidence interval for the mean number
of unique genes in gut bacteria for European individuals.
Round your answers to two decimal places.
million to
million.
The 95% confidence interval is
Qin, 3., et. al., "A human gut microbial gene catalogue established by metagenomic sequencing," Nature, 4 March 2010; 464: 59-65.
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Transcribed Image Text:ELEMENTS OF STATISTICS (MATH 11
Lock, Statistics: Unlocking the Power of Data, 2e
ORION
Downloadable eTextbook
Assignment
Gradebook
ent
NEXT
PRINTER VERSION
( BACK
FULL SCREEN
Chapter 6, Section 2-CI, Exercise 095
Is Your Stomach Controlling Your Personality?
Scientists estimate that there are 10 times more bacterial cells in your body than your own body's cells, and new studies on bacteria in the gut indicate that your gut microbes might be influencing
you more than you realize, having positive or negative effects on health, development, and possibly even personality and behavior. A recent study' found that the average number of unique genes in
gut bacteria, for a sample of 99 healthy European individuals, was 564 million, with a standard deviation of 122 million. Use the t-distribution to find a 95% confidence interval for the mean number
of unique genes in gut bacteria for European individuals.
Round your answers to two decimal places.
million to
million.
The 95% confidence interval is
Qin, 3., et. al., "A human gut microbial gene catalogue established by metagenomic sequencing," Nature, 4 March 2010; 464: 59-65.
Click If you would like to Show Work for this question: Open Show Work
-D.
By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor.
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