Question

how do i compute lower limit and upper limit?
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 171 potsherds indicated that 68 were of the three-circle, red-on-white pattern.

(a) Find a point estimate p̂ 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) Compute a 95% confidence interval for the population proportion p of all ceramic potsherds with this distinctive pattern found at the site. (Round your answers to three decimal places.)

lower limit    

upper limit  

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