Store 1 Sample Results Amount of money spent: X = $20.14, S =$8.27. Forty-five customers own only a dog. Twenty-nine customers own only a cat. Nine customers own more than one dog and/or cat.The branch manager of an outlet store (Store 1) of a nationwide chain of pet supply stores wants to study the characteristics of her customers. In particular, she decides to focus on two variables: the amount of money spent by customers and whether the customers own only one dog, only one cat, or more than one dog and/or cat. The accompanying results are from a sample of 83 customers. Complete parts (a) through (e) below. ) click the icon to view the Store 1 sample results. a. Construct a 95% confidence interval estimate for the population mean amount spent in the pet supply store. sps (Round to two decimal places as needed.) b. Construct a 90% confidence interval estimate for the population proportion of customers who own only a cat. =n