Alarge number of insurance records are to be examined to develop a model for predicting fraudulent claims. of the claims in the historical database, 1% were judged to be fraudulent (class 1). a sample database is taken to develop a model, and oversampling is used to provide a balanced sample in light of the very low response rate. when applied to this sample database (total number of records, n = 800), the model ends up correctly classifying 310 frauds, and 270 non-frauds. it misses 90 frauds, and classified 130 records incorrectly as frauds when they were not. what is the true positive rate when the model is applied to the data set generated by oversampling?

The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is 380 degrees f show work for the

Hye ryung is the president of the local chapter of the american medical students association (amsa). she is organizing local outreach and informational meetings. at her first meeting there are five people present (including herself). every month after that her group grows by 5 people. a. how many members are in the group after 6 months? b. the logistics of hosting and feeding her group at meetings was more complicated than expected. the cost of feeding 5 people at her first meeting was $30, for 10 people it was $35, for 15 it was $45, and after 6 months all of the costs had added up to $100. write a function to model the cost with the number of people attending meetings. c. what connections can you make between the linear growth of the group’s membership and the increasing costs of running meetings?

Which of the following points is collinear with (-2,1) and (0,3)