(20 pt) In a few more weeks, you will be adding a new member to your family - a 10-week old golden retriever puppy!In a sample of previous litters, the average weight of 42 puppies at 10 weeks was 14.6 lbs with a standard deviation of 1.2 lbs.

Find the 95% confidence interval for the average 10-week weight for golden retriever puppies.Show/explain your work, and identify the following:

a.The estimated population mean and degrees of freedom

b.The assumptions you are making for this calculation

c.The critical value

d.The margin of error

e.The 95% CI and the interpretation of these results, both written as complete sentences.