3. Harper's Index reported that 80% of all supermarket prices end with dhe mmerala So insor9. a random sample of 115 grocery store items was taken and of those RS had prices which endeo r Find a 95% confidence interval for the true population proportion of grocery sore iet functione Find the point estimate, and the error bound for the interval. CYou may use the 1-Proplet calculator). 19. Point-estimate: EBP(error boundy

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