abgs are normally distributed with a standard deviation of a

Last updated: 8/17/2023

abgs are normally distributed with a standard deviation of a pounds and an unknown Population mean Arandom Sample of 16 dogs is taken and results in a sample mean of 28 pounds Identify the parameters needed to calculate a confidence interval at the 90 confidence level Then find the confidence interval COS Zoo Z 0 05 2 0 025 Zool 20 005 1 282 1 645 1 960 2 326 2 576 1237 use the common z values given above Round the final answer to two decimal place x n za 18