Every member has equal probability of being selected for sample

A casino slot machine is set to reward gamblers on a schedule that is calculated to keep them at the machine for the maximum amount of time. How would the machine be set to give out money?

a) Every set number of minutes b) Every set number of quarters c) The time would vary: sometimes after a half-hour, sometimes after ten minutes, sometimes after an hour, and so forth. d) The number of quarters would vary: sometimes after five quarters, sometimes after three quarters, sometimes after fifty-two quarters, and so forth.

Ramon got his grade on his last science test; he earned a D+. He thinks to himself, "I am horrible at science!" Last week when he received an A on a math test, he told his friend "I guess I just got lucky

" Which orientation concerning achievement is Ramon exhibiting? A) mastery orientation B) internal orientation C) helpless orientation D) performance orientation