Final answer:
The correct statement is each manufacturing employee now produces about 20 times more than in 1950. Manufacturing is not the largest sector, and employment in manufacturing has decreased since 1950. The correct option is c.
Step-by-step explanation:
The statement among the options provided that is true regarding postindustrial societies is C) Each manufacturing employee now produces about 20 times more than in 1950.
The productivity of manufacturing workers has significantly increased due to advances in technology, automation, and process efficiencies.
However, manufacturing does not constitute the largest economic sector in postindustrial societies, as service and information economies have taken precedence.
Additionally, the number of people working in manufacturing jobs has not increased since 1950; on the contrary, manufacturing jobs have declined due to factors such as automation, globalized outsourcing, and the transition towards a service-based economy.The correct option is c.