What is the pressure of the sample of gas trapped in the open-tube mercury manometer shown below if atmospheric pressure is 736 mmHg and h = 9.2 cm 
Definitions:
FR-15 Schedule
A fixed-ratio schedule of reinforcement where a response is reinforced only after it has been produced 15 times.
Fixed-Ratio
A reinforcement schedule where a response is reinforced only after a specified number of responses.
Variable-Ratio
A reinforcement schedule where a response is reinforced after an unpredictable number of responses, leading to high and steady response rates.
Fixed-Interval
A schedule of reinforcement where rewards are delivered at constant intervals of time, contingent on the first response after the interval has passed.
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