In 
, one side of 
is diameter 
while a second side is chord 
. If AC = PB = 5, find the length of chord 
.
Definitions:
Hypotheses Test
A statistical method that uses sample data to evaluate a hypothesis about a population parameter.
Significance Level
The probability of rejecting the null hypothesis when it is true, used as a threshold in hypothesis testing.
Test Statistic
A standardized value derived from sample data during a hypothesis test that is used to make the decision about the null hypothesis.
Test Statistic
A value calculated from sample data that is used to evaluate the validity of a hypothesis.
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