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### Sample Size Calculator for 1 Proportion Test (Finite Population)

Hint: Use this calculator to determine the number of samples for achievement percentage (for example accuracy or first-time-right percentage) so as to compare with a standard expected or target value if you have a finite population (i.e. less than 50000)
• The minimum acceptable probability of preventing type I error
• The minimum acceptable probability of preventing type II error
• This is the standard or target or the known proportion. For 50%, just enter 50
• Or Margin of Error. Alternatively, if you know the sample proportion, then it is difference between the assumed and the sample proportion. For 5%, just enter
• Enter a number less than 50000
• Minimum sample require to check if your proportion matches with standard or known proportion for the given population