Mathematics, 05.08.2021 23:30 simran922
Suppose the scores of a standardized test are normally distributed. If the population standard deviation is 3 points, what minimum sample size is needed to be 90% confident that the sample mean is within 2 points of the true population mean? z0.101.282z0.051.645z0.0251.960z0.0 12.326z0.0052.576 Use the table above for the z-score, and be sure to round up to the next integer. Provide your answer below:
Answers: 2
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Suppose the scores of a standardized test are normally distributed. If the population standard devia...
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