Kathleen Lowden sued cellular phone company T-Mobile, contending that its service agreements were not enforceable under Washington state law. Lowden moved to create a class-action lawsuit, which her claims would extend to similarly affected customer. she contended that T-Mobile had improperly charged her fees beyond the advertised price of service and charged her for roaming cells that should not have been classified as roaming. T-Mobile moved to force arbitration in accordance with provisions that were clearly set forth in the service agreement. the agreement also specified that no class-action lawsuit could be brought, so T-Mobile asked the court to dismiss the class-action request. was T-Mobile correct that Lowden's only course of action would be fle arbitration personally?