A local fitness center is studying the cost of weekly meal-p…

A local fitness center is studying the cost of weekly meal-prep services used by its members. To estimate the average weekly expense, they survey 6 members who report the following amounts spent (in dollars): 42, 44, 47, 49, 53, 55 a). Construct a 90% confidence interval for the weekly mean amount of child care. b) Interpret the confidence interval. c). Do we need to make any additional assumptions to make sure the confidence interval from a) is valid? d) Think about the interpretation of the confidence interval. What does it mean to be “90% confident”?    

Alex, a veterinary technician, has an extremely crowded wait…

Alex, a veterinary technician, has an extremely crowded waiting room. He begins to take a history of a dog whose owner reports is lethargic and has lost its appetite. The owner goes into a lot of detail about the history of her dog’s complaint, but Alex hears a lot of noise escalating from the waiting room. Eager to get moving, Alex jots down the basics of the patient’s history only and moves on to the next patient. How would you have handled this situation?