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

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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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Transcribed Image Text:O Toosii - Pain & 4) A My Blackboard. . India - totál p. E essay 2 - Goog. E Interconnected.. Thread: "Dedu. E The relationshi. WileyPLUS: MyWileyPLUS I Help I Contact Us I Lon ELEMENTS OF STATISTICS (MATH 1 Lock, Statistics: Unlocking the Power of Data, 2e ORION Downloadable eTextbook tice Assignment Gradebook ament PRINTER VERSION ( BACK NEX FULL SCREEN 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- By accessing this Question Assistance, you wilA learn while you earn points based on the Point Potential Policy set by your instructor. ction 1- ection 1- 056 ection 1- SAVE FOR LATER SUBMIT ANSWER Question Attempts: 0 of 15 used Earn Maximum Points available only if you ent | Privacy Policy I 8 2000-2020 John Wiley &. Sons. Inc. All Rights Reserved. A Division of John Wiley & Sons. Incs. Version 4.24.20.1 MacBook Pro The I'm # & 1. 3 4 5 6 7. 8. delete QE W T P. F G J K L C V B M. command MOSISO command option
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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. SAVE FOR LATER SUBMIT ANSWER Question Attempts: 0 of 15 used Earn Maximum Points available only if you answer this question correctiy in your first attempt. % on 1- Version 4.24.20.1 | Privacy Policy I 8 2000-2020 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons. Inc. MacBook Pro The I'm ** # %23 $ & 2 3 4 5 6. %3D delete W E R Y U D F G K L C V N M. mmand MOSISO command option
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