: In each case, decide whether you think that a statistical study is called for. If so, identify the population under study and decide whether the problem entails estimation or hypothesis testing. a. An insurance saleswoman has 15 clients. She wants to answer the question, What is the average age of my clients? b. A physician thinks that a majority of patients that she sees do not really need her services. She wants to verify that this is true. c. To help determine the size of the gambling industry in Nevada, government officials want to determine the average size of a bet placed in Las Veg

Question

: In each case, decide whether you think that a statistical study is called for. If so, identify the population  under study and decide whether the problem entails estimation or hypothesis testing. a.	An insurance saleswoman has 15 clients.  She wants to answer the question, What is the average age of my clients? b.	A physician thinks that a majority of patients that she sees do not really need her services.  She wants to verify that this is true. c.	To help determine the size of the gambling industry in Nevada, government officials want to determine the average size of a bet placed in Las Veg