document.write( "Question 273153: The weights of adult chipmunks vary according to a normal distribution with standard deviation 1.4 ounces. Researchers suspect that the mean weights of populations of chipmunks depend on where they live. A team of biologists caught, weighed, and released 15 chipmunks in Rocky Mountain National Park, and the mean weight for this sample was 8.2 oz. Which of the following is a 96% confidence interval for the true mean weight of chipmunks in the park? \n" ); document.write( "
Algebra.Com's Answer #199596 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The weights of adult chipmunks vary according to a normal distribution with standard deviation 1.4 ounces. Researchers suspect that the mean weights of populations of chipmunks depend on where they live. A team of biologists caught, weighed, and released 15 chipmunks in Rocky Mountain National Park, and the mean weight for this sample was 8.2 oz. Which of the following is a 96% confidence interval for the true mean weight of chipmunks in the park? \n" ); document.write( "-------------- \n" ); document.write( "Using a TI calculator I get: \n" ); document.write( "7.3817< u < 9.0183 \n" ); document.write( "==== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |