Premise:
"In comparison, if the same parts are produced with manufacturing processes at a Cpk of 1.33, the probability of each part being defect free is 99."
Hypothesis: Part defects are a significant expense for many manufacturing efforts.

it is not possible to tell

Premise:
"We did not independently verify the accuracy of that information."
Hypothesis: We did not check the validity of the information independently.

yes

Premise:
"The Postal Service would be better off if it lowered selected rates and took back some of the lost volume."
Hypothesis: They wanted to see the Postal Service become stable.
it is not possible to tell