MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Help with question 3 and 4
3. Anystate Auto Insurance Company took a random sample
of 352 insurance claims paid out during a 1-year period, The average
claim paid was $1550, Assume a = $258.
Find a 0.90 confidence interval for the mean claim payment.
4. Three-circle, red-on-white is one distinctive pattern painted on ceramic
vessels of the Anasazi period found at an archaeological site. At one
excavation, a sample of 161 potsherds indicated that 70 were of the
three-circle, red-on-white pattern.
a) (a) Find a point estimate p for the proportion of all ceramic
potsherds at this site that are of the three-circle, red-on-white
pattern. (Round your answer to four decimal places.)
b) (b) Compute a 95% confidence interval for the population
proportion p of all ceramic potsherds with this distinctive pattern
found at the site.
itod States is 11.1
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Transcribed Image Text:3. Anystate Auto Insurance Company took a random sample of 352 insurance claims paid out during a 1-year period, The average claim paid was $1550, Assume a = $258. Find a 0.90 confidence interval for the mean claim payment. 4. Three-circle, red-on-white is one distinctive pattern painted on ceramic vessels of the Anasazi period found at an archaeological site. At one excavation, a sample of 161 potsherds indicated that 70 were of the three-circle, red-on-white pattern. a) (a) Find a point estimate p for the proportion of all ceramic potsherds at this site that are of the three-circle, red-on-white pattern. (Round your answer to four decimal places.) b) (b) Compute a 95% confidence interval for the population proportion p of all ceramic potsherds with this distinctive pattern found at the site. itod States is 11.1
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