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Answer:
Option A
Step-by-step explanation:
The p-value will help Joanna in coming to a conclusion about her hypothesis. The p-value derived from the test statistics calculated gives an immediate accurate summary of inference information (using significance levels, confidence intervals etc) for the parameter of interest.
It is used as an alternative to rejection points; a smaller p value means there is stronger evidence leading to the rejection of the null hypothesis and vice versa.
By Green's theorem,
where is the disk with as its boundary. The integral is simply -6 times the area of the disk , which has radius √6, and hence area 6π, so the value of the integral is -36π.
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