Insurance companies estimate that the average weight of cars currently used in the U. S. is 3000 pounds. A random sample of 91 cars had a t-test statistic of
-1.452 and a p-value of 0733. At a = 0.1, is this evidence that the mean weight of
cars is less than 3000 pounds? *

#12 find the value of x. #13 find the value of the variable.

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?

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?