You measure 43 dogs' weights, and find they have a mean weight of 80 ounces. Assume the population standard deviation is 8 ounces. Based on this, construct a 95% confidence interval for the true...

For a confidence level of 95% with a sample size of 12, find the criticalt value. Round your answer to three decimal places.

Extracted text: You measure 43 dogs' weights, and find they have a mean weight of 80 ounces. Assume the population standard deviation is 8 ounces. Based on this, construct a 95% confidence interval for the true population mean dog weight. Round your answers to two decimal places.


Extracted text: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 41 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 9.6 and a standard deviation of 1.5. What is the 98% confidence interval for the number of chocolate chips per cookie for Big Chip cookies? Enter your answers accurate to one decimal place (because the sample statistics are reported accurate to one decimal place).