I'm trying to figure out how did they come up with the answer for the Test...

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I'm trying to figure out how did they come up with theanswer for the Test Value, and P Vaule. With this in formationprovided. is there a formula to figuring out this problem.

Parameter and Hypothesis:  What is the truepercentage of all my Facebook Friends who would identify summer astheir favorite season?  Hypothesis (po) = 50%

TestValue:  -1.15

po=.50

p (p-hat) = .463

n = 242

P-Value:  0.2502

I want to know the process of how to do thismyself

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