A researcher tests the null hypothesis that the percentage of insured children has not changed, using α = 1%. She finds Z = 23.44. She should conclude that: (1) There is no significant evidence that...

A researcher tests the null hypothesis that the percentage of insured children has not changed, using α = 1%. She finds Z = 23.44. She should conclude that:

(1) There is no significant evidence that the percentage has changed.

(2) There is significant evidence that the percentage has increased.