Premise:
"In an age when even the most seemingly spontaneous public events are in fact preceded by stacks of memos and weeks of meetings, extemporaneous entertainment like this is no mean feat."
Hypothesis: Almost every seemingly random event is designed and scripted.

yes

Premise:
"You'll find a range of accommodation on offer, from the Jalai Hill Resort and Puncak Inn in the top tier to more middle-range inns, bungalows, and even a youth hostel."
Hypothesis: There are a range of cheap accommodations available.

it is not possible to tell

Premise:
"But even with the advent of federal government saving in the late 1990s, national saving available for new investment remains relatively low, in large part because personal saving has dramatically declined."
Hypothesis: National saving available for new investment remains relatively low.
yes