What are the possible effects if trexler’s inspector approves components for shipment that should be rejected due to nonconformance (type ii error)? what are the possible effects if trexler’s inspector rejects components for shipment that are in conformance with specifications (type i error)? how can we control error of measurement?

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?