The estimate of the population proportion is to be within plus or minus 0.06, with a 80%
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Question:
The estimate of the population proportion is to be within plus or minus 0.06, with a 80% level of confidence. The best estimate of the population proportion is 0.15. How large a sample is required? (Round the final answer to the nearest whole number. Round the intermediate calculation to 2 decimal places. )
Sample size
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