Answer and Explanation:
When the deposits with respect to new shale gas found in north dakota so there would be the both shifts i.e. long run aggregate supply and the short run aggregate supply
And on the other hand when the hot weather would lead to less crop in the midwest so there should be the shift in the short run aggregate supply
Therefore the same would be considered and relevant too
Answer:
b. variable interval
Explanation:
Schedules of reinforcement based on lapsed time are known as interval schedules. They are either fixed-interval or variable-interval schedules.
Variable-interval schedules provide reinforcement/reward after random time-interval. The interval of time is irregular but revolves around some average length of time. Reinforcement is therefore dispensed unevenly within a stated period.
Answer:
As with all probability sampling methods, simple random sampling allows the sampling error to be calculated and reduces selection bias. A specific advantage is that it is the most straightforward method of probability sampling.