Margin of error and the confidence interval for the mean
Starting salaries of 70 college graduates who have taken a statistic course have a mean of $42,823 and a standard deviation of $10,934. Using 99% confidence, find the margin of error and the confidence interval for the mean
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Determine the temperature at the end of the process and the amounts of work and the heat transfer per unit mass in Btu/lb if n=1.3.
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