To test the following hypotheses at the 0.05 level of significance, using a sample size of n = 15. 
What is the upper tail critical value?
Definitions:
Current Flows
The movement of electric charge carriers, such as electrons, through a conductor or circuit.
Positive To Negative
Refers to the flow of direct current (DC) from the positive pole to the negative pole of a power source.
Lightning Rods
Metal poles that are generally pointed on one end. They are mounted above the structure that is to be protected from lightning.
Easy Path
A term not specifically defined in technical fields, potentially referring to the path of least resistance in electrical circuits or simplification in problem-solving scenarios.
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