Three-circle, red-on-white is one distinctive pattern painted onceramic vessels of the Anasazi period found at an archaeologicalsite. At one excavation, a sample of 165 potsherds indicated that78 were of the three-circle, red-on-white pattern.
(a) Find a point estimate p̂ for the proportion of allceramic potsherds at this site that are of the three-circle,red-on-white pattern. (Round your answer to four decimalplaces.)
(b) Compute a 95% confidence interval for the population proportionp of all ceramic potsherds with this distinctive patternfound at the site. (Round your answers to three decimalplaces.)
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