mapter 6, Section 2-CI, Exercise 087 What sample size is needed to give a margin of error within +4 in estimating a population mean with 90% confidence, assuming a previous sample had s = 18. Round your answer up to the nearest integer. sample size = the absolute tolerance is +/-2

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ELEMENTS OF
Lock, Statistics: Unlocking the Power of Data, 2e
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Chapter 6, Section 2-CI, Exercise 087
What sample size is needed to give a margin of error within +4 in estimating a population mean with 90% confidence, assuming a previous sample had s = 18.
Round your answer up to the nearest integer.
sample size =
the absolute tolerance is +/-2
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Transcribed Image Text:ELEMENTS OF Lock, Statistics: Unlocking the Power of Data, 2e ORION Downloadable eTextbook ssignment Gradebook FULL SCREEN PRINTER VERS Chapter 6, Section 2-CI, Exercise 087 What sample size is needed to give a margin of error within +4 in estimating a population mean with 90% confidence, assuming a previous sample had s = 18. Round your answer up to the nearest integer. sample size = the absolute tolerance is +/-2 Click if you would like to Show Work for this question: Open Show Work 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 SUBM. Question Attempts: 0 of 15 used Earn Maximum Points available only if you answer this question correctly in your first attempt. * MapleNet reement Privacy Policy I 2000-2020 John Wiley & Sons. Inc. All Rights Reserved. A Division of John Wiley & Sons. Inc. Version- MacBook Pro The I'm 24 4 # & 3 6 7 8. %3D de E R Y U O. S G J K C V N M ion command MOSISO command P. ト
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ELEMENTS OF STATISTICS (MATH
Lock, Statistics: Unlocking the Power of Data, 2e
ORION
Downloadable eTextbook
Gradebook
Eice Assignment
ment
PRINTER VERSION
1 BACK
FULL SCREEN
Chapter 6, Section 2-CI, Exercise 091
How Many Birds Do Domestic Cats Kill?
"Domestic cats kill many more wild birds in the United States than scientists thought," states a recent article. Researchers used a sample of n = 140 households in the US with cats to estimate that
35% of household cats in the US hunt outdoors. A separate study? used KittyCams to record all activity of n = 55 domestic cats that hunt outdoors. The video footage showed that the mean number
of kills per week for these cats was 2.4 with a standard deviation of 1.51. Find a 95% confidence interval for the mean number of kills per week by US household cats that hunt outdoors.
Round your answers to three decimal places.
The 95% confidence interval is
to
CI.
-CI.
Milius, S., "Cats kill more than one billion birds each year," Science News, 183(4), February 23, 2013, revised March 8, 2014. Data approximated from information give in the article.
-D.
2Loyd KAT, et al., "Quantifying free-roaming domestic cat predation using animal-borne video cameras," Biological Conservation, 160(2013), 183-189.
1-D.
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Transcribed Image Text:A edugen.wileyplus.com D. India - total p. W WileyPLUS O Toosii - Pain &. E My Blackboard. essay 2 - Goog.-- E Interconnected. E The relationshi. WileyPLUS: MyWileyPLUS I Help I Contact Us I L Thread: "Dedu. ELEMENTS OF STATISTICS (MATH Lock, Statistics: Unlocking the Power of Data, 2e ORION Downloadable eTextbook Gradebook Eice Assignment ment PRINTER VERSION 1 BACK FULL SCREEN Chapter 6, Section 2-CI, Exercise 091 How Many Birds Do Domestic Cats Kill? "Domestic cats kill many more wild birds in the United States than scientists thought," states a recent article. Researchers used a sample of n = 140 households in the US with cats to estimate that 35% of household cats in the US hunt outdoors. A separate study? used KittyCams to record all activity of n = 55 domestic cats that hunt outdoors. The video footage showed that the mean number of kills per week for these cats was 2.4 with a standard deviation of 1.51. Find a 95% confidence interval for the mean number of kills per week by US household cats that hunt outdoors. Round your answers to three decimal places. The 95% confidence interval is to CI. -CI. Milius, S., "Cats kill more than one billion birds each year," Science News, 183(4), February 23, 2013, revised March 8, 2014. Data approximated from information give in the article. -D. 2Loyd KAT, et al., "Quantifying free-roaming domestic cat predation using animal-borne video cameras," Biological Conservation, 160(2013), 183-189. 1-D. Click If you would like to Show Work for this question: Open Show Work 1-D. By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor. on 1- Question Attempts: 0 of 15 used SAVE FOR LATER SUBMIT ANSWER lon 1- Earn Maximum Points available only if you answer this question correctly in your first attempt. % tion 1- otI Privacy Policy I 2000-2020 John Wiley & Sons. Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc. Version 4.24.20.1 MacBook Pro The %23 2$ 3 & * 4 5 6. 8 7. 6. %3D delete E R Y U O. P S. D. F G K L retu C V N M nd MOSISO command option
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