Mathematics, 13.03.2022 15:00 natjojo0512
2. A researcher wishes to estimate the mean weekly wage of several thousands of workers employed in a plant within plus or minus $20 and with 90% degree of confidence. From past experience, the researcher knows the weekly wages of these workers are normally distributed with a standard deviation of $40. What is the minimum sample size required.
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2. A researcher wishes to estimate the mean weekly wage of several thousands of workers employed in...
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