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Sagot :
Population size or data can be large and sometime not too possible to measure practically, in this case, we take a sample to work with, this sample is the P-hat value
p hat is the mean of all sample proportions (p-hat)
x bar mean the mean of the sample data
A way to solve for "p hat" is by dividing the number of occurrences of the desired event by the sample size
Learn more about the Statistical symbols here:
https://brainly.com/question/25831511
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